The versatile Sea to Summit Accessory Straps with Hook Release have a quick release buckle that is made from anodized 7075 aluminum. They are available in two widths (3/8" and 3/4") and three lengths (40", 60" and 80").Features: Features quick hook release buckle Lash dry bags onto a deck of a sea kayak or raft Use to attach gear to your pack, touring bike, roof rack... Buckle made from zinc plated steel 3/8" straps rated to 275lbs See also the Accessory Straps with Buckle Specs: Size Variation: 60"x3/8" Length: 60" Width: 3/8"