Cressi Original Accessory: Power Band compatible for any pole spear. Made in a unique latex formula, very elastic. Special anti-oxidants protects the latex from UV-ray. Rubber Ø: 0.9 mm - 3/8 in. Rubber length: 74 cm - 29 1/8 in. Cord length: 22 cm - 8 5/8 in. Total length: 96 cm - 37 6/8 in.