• Internal oral tube for back-up inflation and deflation after use

and through clever design

Woven polyester netting is available in two sizes and is perfect for providing additional on-board ventilated storage areas

Stainless steel lock nut included

Using our Fusion 3D technology

Harken 29mm Double Block 381 SELDEN 30 • Internal oral tube forLow friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Sheave (mm) 29 mm Sheave (in) 1 1 8 in Length (mm) 54 mm Length (in) 2 1 8 in Weight (g) 34 g Weight (oz) 1. 2 oz Maximum line (mm) 8 mm Maximum line (in) 5 16 in Maximum working load (kg) 299 kg Maximum working load (lb) 660 lb Breaking load