100% Polyester BOARD MEETS ANSI 121-2018 - Third-party certified to 50lbs // 22.6kg static (total weight), 8lbs //3.6kg (grommets) and 3lbs //1.4kg (d-rings) with a 2:1 safety factor; max tether length: 4ft // 1.2m BUCKET HOOK MEETS ANSI 121-2018 - Third-party certified to 40lbs // 18.14kg (total weight) static with a 5:1 safety factor and 7lbs // 3.2kg (tethering point) dynamic with a multi-drop safety factor SECURELY STORE & ACCESS TOOLS AT HEIGHTS - Hang on the inside of aerial buckets or railings for convenient gear access and prevention of dropped objects MAXIMIZES WORKING SPACE - Keeps gear up and out of the way in compact aerial buckets and other mobile elevated work platforms (MEWPs) SELF-LOCKING HOOK - Outer bucket hook automatically locks when weight is applied to prevent unintentional opening (when released, gate pushes gear upward for easy removal) MANUAL LOCK RELEASE - Thumb release required to unlock load INTERIOR HOOK - For hanging aprons, tool boards or other gear inside bucket