Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. We aim to ship Pre Order Harken Parts within a week of purchase.  Sheave Ø (mm)29 mm Length (mm)95 mm Weight (g)50 g Maximum line Ø (mm)8 mm Fasteners (mm)5 FH mm Mounting hole spacing (mm)79 mm Cutout (mm) 21 x 67 mm Maximum working load (kg)181 kg Breaking load (kg)907 kg