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. The Harken 404 uses an O-ring to keep the line in the sheave during intermittent loading.
Sheave Ø: 16 mm
Maximum line Ø: 5 mm
Maximum working load: 113 kg
Used in conjunction with ILCA clew shackle.