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Harken 16 mm Thrudeck Block H421

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Thrudeck Block
16 mm

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Harken 16 mm Thrudeck Block H421
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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: 16 mm / 5/8 in
  • Length: 60 mm / 2 3/8 in
  • Weight: 18 g / .63 oz
  • Maximum line: 5 mm / 7/32 in
  • Fasteners: 4 RH mm / #8 RH in
  • Cutout: 11 x 35 mm / 7/16 x 1 3/8 in
  • Maximum working load: 113 kg / 250 lb
  • Breaking load: 544 kg / 1200 lb

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Delivery Info: Enjoy Free Standard Shipping on most orders* to the Continental United States over $99. Our Standard Shipping method utilizes USPS, UPS, and FedEx to send packages near and far. Oversize/Freight shipping (where applicable), Expedited Shipping (where available), and rates to other destinations will be calculated at checkout.

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Returns Info: Your 100% satisfaction is our goal - we want you to love your sailing gear, but if something doesn't work out, we accept returns on most new, unused items*. Returns can be made within 366 days (1 year + 1 day) of your original order date. Exceptions include (and are not limited to) cut line, Rig Shop products, special order items, numbered sailors, and items used or worn sailing.

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