Kathy store INC 1pc handmade stainless Steel 3 Claws Outdoor Carabiner Climbing Grappling Hook Fly Tigers Mountaineering Wild Escape The hook claw reaches the highest level of soft hardness (maximum hardness of 39) by using the oil quenching process and hence provides extreme operating reliability. Great for outdoor climbing, survival and adventure activities Material: stainless steel, Bearing about 100kg .Weight: about 2.5 OZ; Total lenght: 13.5cm, Hook lenght: 12cm, Hook thickness: 0.6cm Package includes: 1x Handmade Outdoor Climbing Carabiner Grappling Hook