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16mm Block

Part No. 404

Sheave Ø (mm) 16 mm

Sheave Ø (in) 5/8 in

Maximum line Ø (mm) 5 mm

Maximum line Ø (in) 7/32 in

Maximum working load (kg) 113 kg

Maximum working load (lb) 250 lb

The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load. The 404 uses an O-ring to keep the line in the sheave during intermittent loading.
Sheave Ø (mm)16 mm
Sheave Ø (in)5/8 in
Length (mm)29 mm
Length (in)1 1/8 in
Weight (g)10 g
Weight (oz).33 oz
Maximum line Ø (mm)5 mm
Maximum line Ø (in) 7/32 in
Maximum working load (kg)113 kg
Maximum working load (lb)250 lb
Breaking load (kg)544 kg
Breaking load (lb)1200 lb