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U.S. DARKWATER LLC
DRYSUIT DIVING SERVICES

U.S. DARKWATER LLC DRYSUIT DIVING SERVICESU.S. DARKWATER LLC DRYSUIT DIVING SERVICESU.S. DARKWATER LLC DRYSUIT DIVING SERVICES
Home
Menu
  • Drysuit Services/Repairs
  • Full Face Masks
  • Drysuits - Public Safety
  • Drysuits - Military
  • Drysuits - Commercial
  • Drysuits - Tec/Rec
  • Drysuits - Water Rescue
  • Drysuits - Ice Rescue
  • Drysuit Undergarments
  • Cylinders
  • BCDs
  • BCD Accessories
  • Tank Accessories
  • Backplates
  • Harnesses
  • Masks/Snorkels/Fins
  • Dive Lights
  • Regulators & accessories
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More
  • Home
  • Menu
    • Drysuit Services/Repairs
    • Full Face Masks
    • Drysuits - Public Safety
    • Drysuits - Military
    • Drysuits - Commercial
    • Drysuits - Tec/Rec
    • Drysuits - Water Rescue
    • Drysuits - Ice Rescue
    • Drysuit Undergarments
    • Cylinders
    • BCDs
    • BCD Accessories
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U.S. DARKWATER LLC
DRYSUIT DIVING SERVICES

U.S. DARKWATER LLC DRYSUIT DIVING SERVICESU.S. DARKWATER LLC DRYSUIT DIVING SERVICESU.S. DARKWATER LLC DRYSUIT DIVING SERVICES
  • Home
  • Menu
    • Drysuit Services/Repairs
    • Full Face Masks
    • Drysuits - Public Safety
    • Drysuits - Military
    • Drysuits - Commercial
    • Drysuits - Tec/Rec
    • Drysuits - Water Rescue
    • Drysuits - Ice Rescue
    • Drysuit Undergarments
    • Cylinders
    • BCDs
    • BCD Accessories
    • Tank Accessories
    • Backplates
    • Harnesses
    • Masks/Snorkels/Fins
    • Dive Lights
    • Regulators & accessories
    • Si Tech
    • Underwater Communications
    • Viking Accessories
    • Catalog
    • Other Products
    • Training
    • About Us
  • Gallery

BACKPLATES

OXYCHEQ BACKPLATES

Medium Stainless Steel Backplate

Medium Stainless Steel Backplate Fits two inch (50mm) webbing. Slots for cam bands for single tank use. Holes on 11 inch centers. All plates are laser cut with machine beveled slots and outside edges to prevent excess wear on soft products such as wet suits, dry suites and wings.

  • For Divers 63/64" and taller (163+ cm)
  • 15" (38cm) long
  • 5 pounds

Small Stainless Steel Backplate

Small Stainless Steel Backplate is laser cut with machine beveled slots and outside edges to prevent excess wear on soft products such as wet suits, dry suites and wings. . Uses Standard 2 inch Webbing. Slots for Cam Bands for Single Tank use. Angled shoulder straps for a great fit. Holes are standard 11 inch center. Size small.

  • For Divers under 63/64" and shorter (under 163 cm)
  • 13" (38cm) long
  • 4.2 pounds (1.72 kg)
  • Laser Cut
  • Made in USA

Medium Travel Stainless Steel Backplate

The OxyCheq Stainless Steel Travel Plate is laser cut and designed for travel and warm water. It is the strength and durability of our Medium Stainless Plate at more than half the weight which makes it great for travel.

  • Cam Band Slots for single tank divers.
  • 15 inches (38cm) long
  • 2.8 Pounds (1kg)
  • Made in USA


Medium Aluminum Backplate

Medium Aluminum Backplate Fits two inch (50mm) webbing. Slots for cam bands for single tank use. Holes on 11 inch centers. Plates are laser cut & machine beveled on slots & outside edges to prevent excess wear on soft products. Uncoated aluminum will oxidize when used in salt water. Aluminum plates are coated to keep the aluminum from oxidizing and turning to powder. Colors available: black, red, blue, pink. Custom color available.

For Divers 63/64" and taller 

15"  long

1.7 pounds 

Small Aluminum Backplate

Small Stainless Steel Backplate is laser cut with machine beveled slots and outside edges to prevent excess wear on soft products such as wet suits, dry suites and wings. . Uses Standard 2 inch Webbing. Slots for Cam Bands for Single Tank use. Angled shoulder straps for a great fit. Holes are standard 11 inch center. Size small.

  • For Divers under 63/64" and shorter (under 163 cm)
  • 13" (38cm) long
  • 4.2 pounds (1.72 kg)
  • Laser Cut
  • Made in USA

Ultra Lite Travel Plate

The Ultra Lite Back Plate is the world’s lightest back plate weighing only 9oz / 255 grams. In addition to being great for travel, when combined with the Speed Harness one size fits virtually every diver.  Colors available:  Red, Orange, Yellow, Lime Green, Blue, Purple, Pink, Camo & Black

LIGHT MONKEY BACKPLATES

Light Monkey Aluminum Backplate

Brushed black anodizing provides corrosion resistance to salt water 

All edges and cutouts have been machined to give a nice beveled edge which gives your webbing a longer life

Weight - 1.7 lbs (.7 kg)


Light Monkey Stainless Steel Backplate

Light Monkey stainless steel backplates are cut from a sheet of 304 stainless steel, bent, machined, and then given a brushed finish.

All edges and cutouts have been machined to give a nice beveled edge which gives your webbing a longer life

Weight  4.9 lbs (2.2 kg)


HIGHLAND BACKPLATES

Highland Aluminum Backplate

  • 6061 aluminum alloy with black anodized finish
  • Weight: 1 lb 11 oz (765 g)
  • All edges are beveled to protect the harness
  • The 3 holes at the top of the plate offer variable height adjustment for air cell and cylinder mounting. In addition, a corresponding lower oval slot allows for lower band bolts that may be misaligned
  • Slots at the bottom are for use with 1 in (2.5 cm) or 2 in (5 cm) wide crotch strap
  • 3/8 in (9.5 mm) accessory mounting holes along the sides and bottom
  • Hardware not included

Highland Stainless Steel Backplate

  • 304 stainless-steel, 11-gauge (.115 in/3 mm)
  • Weight: 5 lbs (2.3 kg)
  • All edges are beveled to protect the harness
  • The 3 holes at the top of the plate offer variable height adjustment for air cell and cylinder mounting. In addition, a corresponding lower oval slot allows for lower band bolts that may be misaligned
  • Slots at bottom for use with 1 in (2.5 cm) or 2 in (5 cm) crotch strap
  • 3/8 in (9.5 mm) accessory mounting holes along the sides and bottom
  • Hardware not included

Highland Aluminum Travel Backplate

  •  5052 aluminum alloy with tungsten anodized finish
  • Weight: 1 lb 1 oz (495 g)
  • All edges are softened to protect the harness
  • The 3 holes at the top offer variable height adjustment for air cell and cylinder mounting. In addition, a corresponding lower oval slot allows for lower band bolts that may be misaligned
  • Slots at the bottom are for use with 1 in (2.5 cm) or 2 in (5 cm) wide crotch strap
  • 3/8 in (9.5 mm) accessory mounting holes along the sides and bottom
  • Slide-bars included (p/n HL816)
  • Hardware not

Pony Pac Harness

 Used by:

  • First Responders for rapid entry into the water
  • Boat owners for in-water maintenance
  • Instructors for Intro to diving classes
  • Fits 13, 19, 30 and 40 cu ft pony cylinders 
  • Can accommodate up to 10 lbs of lead weight
  • Extra-large thumb loops for cinching down shoulder straps
  • Rolled neoprene neck collar 
  • Knife mounting grommets on waist band are ideal for the Rook Knife 
  • 2-way adjustable sternum strap
  • Can be upgraded to a travel BC with the addition of a Companion Air Cell
  • Pony Pac comes in 3 sizes


POSEIDON BACKPLATES

Poseidon Steel Backplate

Your Poseidon One Harness has a great way to evenly and comfortably add weight to your system. You can replace the standard plastic backplate with a steel one that weighs 5 lbs. This is a great way to help your trim by carrying less weight on your hips and dispersing it evenly along your back. Your buoyancy will thank you!

Key Features:

  • Replaces plastic backplate
  • Weighs 5 lbs (2.25 kg)

Poseidon Harness with Backplate

The Poseidon Harness W/ Backplate is tailored to fit the SE7EN rebreather but also is very functional for open circuit diving.  The Poseidon webbing and buckle system, as well as its nylon covered backplate make it an easy to fit and comfortable harness.  Pair this harness with a Poseidon Wing and you have a top of the line, technical buoyancy device. 

Key Features:

  • Nylon covered aluminum backplate for comfort and durability
  • Four D-Rings for easy staging of bailout or stage cylinders or accessories


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U.S. Darkwater will close at 3:00 p.m. on Friday, April 25, 2025.  We will reopen on Monday, April 28, 2025 at 9:00 a.m.