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.

Sheave Ø (mm)
16 mm

Sheave Ø (in)
5/8 in

Length (mm)
60 mm

Length (in)
2 3/8 in

Weight (g)
18 g

Weight (oz)
0.63 oz

Maximum line Ø (mm)
5 mm

Maximum line Ø (in)
7/32 in

Fasteners (mm)
4 RH mm

Fasteners (in)
#8 RH in

Cutout (mm)
11 x 35 mm

Cutout (in)
7/16 x 1 3/8 in

Maximum working load (kg)
113 kg

Maximum working load (lb)
250 lb

Breaking load (kg)
544 kg

Breaking load (lb)
1200 lb