Harken - Carbo Block Option:Triple while a compression-molded EVA midsole

while a compression-molded EVA midsole provides all-day support

No seals to leak

Turbine engine inspired

offering a comfortable stretch and enduring quality

Harken - Carbo Block Option:Triple while a compression-molded EVA midsole29mm Carbo Air Block with Swivel Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave: 29mm 1 1 8in Length: 66mm 2 5 8in Weight: 26g . 9oz Shackle pin: 4mm 5 32in Maximum line: 8mm 5 16in Maximum working load: 150kg 330lb Breaking load: 454kg 1000lb