surfboard leash :6, 7, 8, 9, and 10 feet Color available at clear white, red, yellow, blue, black, and ... feet Color available at clear white, red, yellow, blue, black, and more Details: TPU strap; stainless steel joints; double swivelHardness (shore): up ... to 90 Specific gravity: 1.20g/CBM Resilience: 40% Ultimate elongation: up to 450% Tear ...