Nite Ize S-Biner Plastic Dual Carabiner Size 4 — Coyote

The Nite Ize S-Biner Plastic is a dual S-profile carabiner made from fibreglass-reinforced nylon, designed to clip, connect and hang outdoor and tactical gear. In Size 4 it measures 188.77 mm x 41.14 mm x 8.62 mm and weighs 12 g, with a stated load rating of 11.3 kg.

The S-shape creates two independent gates on opposite sides: a single item can be clipped by passing its loop through both gates for more secure retention than a standard carabiner, or two separate items can be attached at either end with the central body acting as a pivot point. Each gate closure is stainless steel, which holds up to repeated use better than nylon alone and does not corrode from rain or sweat.

The trade-off to keep in mind is the one common to all lightweight quick-release carabiners: the ease of one-handed opening speeds up field operations, but rules out any situation where an accidental release could be dangerous. The manufacturer explicitly prohibits use in climbing or any context where dropped equipment could cause injury — it is intended solely for outdoor gear, keychain pouches, accessory retention lanyards and similarly low-criticality applications.

Key points

• The two independent gates allow two separate items to be clipped, or a single loop to be locked on both sides, increasing retention without tools.
• The fibreglass-reinforced nylon body keeps weight at 12 g in Size 4, reducing overall load on kit.
• The stainless steel gate closure resists corrosion and repeated open-close cycles better than polymer alone.
• The 11.3 kg load rating covers the suspension of accessories, containers and light equipment without deforming the body.
• Size 4 offers a wide opening suitable for straps, thick belt loops and larger-diameter cord springs.

In the box

• 1 x Nite Ize S-Biner Plastic Dual Carabiner Size 4, Coyote