TI-EDC Grappling Hook with Folding Claws, Outdoor Gear for Survival, Climbing or Tree Limb Removal SOLID AND HEAVY DUTY: It can hold weight up to 400KG (880lbs) in ideal condition that depends on the rope and direction FOLDABLE AND PORTABLE: The claws can expand or collapse, very easy to operate and carry SUITABLE FOR VARIOUS ROPES: The inner diameter of hook ring is 0.7 inch, which can be used with a variety of ropes and carabiners MULTI-PURPOSE: Great for outdoor climbing and adventure activities, wilderness survival or tree limb removal Material: Steel,Weight: 1.7lbs, Dimensions: Total length: 8.5", Hook length: 3.7, Hook thickness: 0.21 12 Months warranty and lifetime technical support