![Harken 16mm Double Block [406]](https://www.greathardwarehub.com/wp-content/uploads/2026/09/harken-16mm-double-block-406.webp)
16mm Double Block
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.
Specifications:
- Sheave: 16mm / 5/8in.
- Length: 43mm / 1-11/16in.
- Weight: 27g / .94oz
- Maximum line: 5mm / 7/32in
- Maximum working load: 204kg/ 450lb
- Breaking load: 544kg / 1200lb
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