Lightweight and extremely durable alternative to using rope, chain, or scrap wire to hang items such as shop lights, other lighting, commercial lighting, and other items. Made of stainless steel. Length is completely adjustable. No tools needed. 6.6' in length. Holds 40 lb. Removable, can be used again and again. Locking mechanism comes free with included tool or screwdriver. Flexible hook on 1 end. Make a loop through locking mechanism on other end. (2 required to hang a shop light). Qty of 2 SPEED Link systems per pack.