16mm BlockThe 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. The 404 uses an O-ring to keep the line in the sheave during inte
Sale!
Harken 16mm Block [404]
Original price was: $12.57.$7.24Current price is: $7.24.
Free shipping on orders over $50Availability: 79 in stock

![Harken 16mm Block [404]](https://www.deckrailingworks.com/wp-content/uploads/2026/11/harken-16mm-block-404.webp)
![Barton Size 3 45mm Plain Bearing Pulley Block Double Upright Block [N03250]](https://www.deckrailingworks.com/wp-content/uploads/2026/11/barton-size-3-45mm-plain-bearing-pulley-block-double-upright-block-n03250.webp)

![Ronstan Series 40 All Purpose Block - Single Cheek [RF41811]](https://www.deckrailingworks.com/wp-content/uploads/2026/11/ronstan-series-40-all-purpose-block-single-cheek-rf41811.webp)
![Ronstan Series 30 Utility Block - Double, Tube Rivet [RF417]](https://www.deckrailingworks.com/wp-content/uploads/2026/11/ronstan-series-30-utility-block-double-tube-rivet-rf417.webp)

![Barton Marine Laser Replica 15:1 Boom Vang Assembly [98075]](https://www.deckrailingworks.com/wp-content/uploads/2026/11/barton-marine-laser-replica-15-1-boom-vang-assembly-98075.webp)

![Ronstan Series 40 Orbit Single BB Single Stand-Up Block [RF48140]](https://www.deckrailingworks.com/wp-content/uploads/2026/11/ronstan-series-40-orbit-single-bb-single-stand-up-block-rf48140.webp)