This BuckLimiter™ features a Super Fabric Wear Guard to prevent premature wear when used on lattice structures. Features a triple locking aluminum carabiner with 3600 lb. gate and tie back locking snap 3618 with 3600 lb. gate load. Has an aluminum alloy construction inside and out while both the mechanism and housing is made of corrosion resistant alloy. Features a braking system that is designed for smooth consistent operation to prevent “jerky” lock-ups. A tangle free swivel top adds to mobility and a 7? extension for expanded work area. The BuckLimter™ has Dyneema polymer fiber 1? webbing that is up to 15x stronger than steel. Resistant to moisture, abrasions, UV light and chemicals. Weighs 1.9 lbs. Rated to 350 lbs. Meets ANSI Z359.12-09. Add prefix K [6008K] to order model that meets ASTM F887 Electric Arc Requirements.