Harken Sailing Solutions

Harken 16mm Through Deck Air Block 421 Max line 5mm diameter

Harken 16mm Through Deck Air Block 421 Max line 5mm diameter

£43.99
Stock Status: In Stock
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Harken 16mm Through Deck Air Block 421 Max line 5mm diameter.

Ideal for through decks, mast or poles for easy free running sheets and control lines.

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 (mm)16 mm
Length (mm)60 mm
Weight (g)18 g
Maximum line Ø (mm)5 mm
Fasteners (mm)4 RH mm
Cutout (mm)11 x 35 mm
Maximum working load (kg)113 kg
Breaking load (kg)544 kg



The purchaser is responsible for choosing the correct product for its particular application.
Not to be used for lifting Humans.
  • SKU:
    790909
  • EAN:
    0097653016212
  • MPN:
    421
  • Brand:
    Harken
  • Condition:
    New
  • Product Code:
    790909
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