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: 16mm - 5/8in
Length: 57mm - 2-1/4in
Weight: 43g - 1.5oz
Maximum line Ø: 5mm - 7/32 in
Fasteners: 4 RHmm - #8 RHin
Maximum working load: 318kg - 700lb
Breaking load: 544kg - 1200lb