Harken 16mm Cheek Air Block

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Harken 16mm Cheek Air Block

The 16 mm Harken Cheek Air Block is Harken’s® smallest block. It is perfect for small control lines found on high-tech boats. 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 intermittent loading.


  • Sheave Ø (mm) - 16 mm
  • Length (mm) - 46 mm
  • Weight (g) - 12 g
  • Maximum line Ø (mm) - 5 mm
  • Maximum working load (kg) - 113 kg
  • Breaking load (kg) - 544 kg

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