Usage Tips:FIT FOR 1.5 inch ROPE: The clamp fits any climbing rope with 1.5 inch diameter. Use bolts to the clamp tightens around your rope for maximum safety and an efficient workout. The rope clasp has a max load of 400 lb, the load may also depend on your rope. SAFETY: Made of best grade hevy-duty iron,this climbing rope attachment is strength and durability, perfect for your rope climb workout! You should drill holes into the rope and fasten the hardware. Easy to install and fix: Includes a heavy-duty metal eyehook for easy attachment nearly anywhere.Overall building upper body strength, burning fat, increasing endurance and improving grips. INDOOR EXERCISE CLIMBING ONLY: Made for strength and durability that can support.Great battle rope and climbing rope for kids. Supervision and safety padding should be utilized at all times. ATTACH TO CARABINER: Best used with a heavy-duty carabiner clip to easily connect the climbing rope to an attachment for hanging in your cage rig or garage gym - the best and safe way to perform rope climbs. size:38mm Material:iron colour:black Package Contents: 1 x climb rope clamp Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.