Original power bands for hand spears, with homemade Dyneema wishbones. These are made with sling rubber (length 100cm x outer diameter approx. 10mm x inner diameter approx. 5mm), which is ideal for hand spears, and come with homemade Dyneema wishbones. How far you can pull them depends on the user's arm strength, grip strength, and the strength of the hand spear, but you should be able to pull them about 2-3 times their original length. The wishbone line is made of high-quality Dyneema line, so it is resistant to abrasion and long-lasting. * After use, wash with fresh water and store in a cool place away from direct sunlight in a sealed container. * Please remove any burrs from the lanyard ring hole before use.