Master Series Hooked Stainless Steel Anal Hook from XR Brands. This impressive steel hook can be hooked up to ropes and other bondage equipment, making sure it keeps a strong hold on its wearer. There is 5 inches of insertion length from thee ball and a portion of the hook. The hook then rests against the back, while the ring, 1.5 inches in diameter is used to connect to ropes.The ball measures 1.5 inches in diameter and has a 5 inches circumference. The anal hook weighs..75 pounds.