Gym chain extension is made of high-quality steel, 25 inch (66cm) in total length, 0.16 inch (4mm) in thickness, strong and durable, no sharp edges, support 300LBS load capacity. Double-ended closed long chain. Non-Detachable , are permanent. You can use it with hook, quick carabiner clip ,swivel buckle, d-shape shackle. Or can tie two/three chain link together by quick link. Gym Cable Attachments Extension Chain: This is an extension chain mainly for gym types of projects. You can connect this extension chain to your "fitness cable of exercise machine and any cable machine handles" with snap hooks. Add more possibilities to your exercise style. Note: 300lbs will be ok, DON'T USE FOR climbing or safety equipment. Used for towing, pipe hanging, stump pulling, tail gate, load securement, logging. or around luggage ,bags, suitcases, purses, fences. also perfect as pet chain, clothes hanging chain, anchor chain and more. and high quality, High Wear-resistant and excellent durability. colour:Silver Material:304 stainless steel Package Contents: 2 x hanging chains 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.