16mm Block with Swivel
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.

Specifications:
Sheave: 16mm / 5/8in.
Length: 46mm / 1-13/16in.
Weight: 18g / .63oz
Shackle pin: 4mm / 5/32in
Maximum line: 5mm / 7/32
Maximum working load: 113kg/ 250lb
Breaking load: 339kg / 750lb