Select Page

Harken Airblock 16mm Single

$18.90 each

Product Description

Harken Airblock 16mm Single

The Harken air block offers a very high load in an extremely lightweight block. Excellent for control lines. The block itself is only 1-1/8″ long. The 5/8″ sheave will accept line as large as 7/32″. 250 lb. SWL; 1200 lb. breaking strength. Harken #404. Hobie Cat® uses #H404 for this 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 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 mmSheave Ø (in)5/8 inLength (mm)29 mmLength (in)1 1/8 inWeight (g)10 gWeight (oz).33 ozMaximum line Ø (mm)5 mmMaximum line Ø (in) 7/32 inMaximum working load (kg)113 kgMaximum working load (lb)250 lbBreaking load (kg)544 kgBreaking load (lb)1200 lb

Additional information

Weight 0.02 lbs
Dimensions 1 × 1 × 1 in

You may also like…

  • Harken Airblock 16mm Single with Swivel

  • 28-0415

    Harken Sheave Ball Bearing 16mm

  • Harken Airblock 16mm Single with Becket

  • Harken Airblock 16mm Triple

  • Harken Airblock 16mm Cheek