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Ideal for through decks, mast or poles for easy free running sheets and control lines.
The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies
Sheave Ø (mm)16 mm Length (mm)60 mm Weight (g)18 g
Maximum line Ø (mm)5 mm Fasteners (mm)4 RH mm Cutout (mm)11 x 35 mm
Maximum working load (kg)113 kg Breaking load (kg)544 kg
Harken 16mm Exit Block 421 Harken 16mm Exit Block 421 Description: Thru-deck Sheave dia. (in): 5/8 Sheave dia. (mm): 16 Length (in): 2 3/8 Length (mm): 60 Weight (oz): .63 Weight (g): 18 Max. line dia. (in): 7/32 Max. line dia. (mm): 5 Max. working load (lb): 250 Max. working load (kg): 113 Breaking load (kg): 1200 Breaking load (lb): 544