16mm Air Block

The 16mm Air Block 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 highest on the market compared to similarly sized blocks.

Use for:

• Dinghy control lines
• Spinnaker pole trip lines
• Big Boat leech lines
• Outhauls
• Downhauls
• Cunninghams
• Traveler controls
• Halyards on prams
  
  

The 442 uses a spacer to keep the line in the sheave during intermittent loading.

Specifications:

• Sheave Ø 16 mm | 5/8 in
• Length 35 mm | 1-3/8 in
• Weight 12 g | 0.44 oz
• Maximum line Ø 5 mm | 7/32 in
• Fasteners 4RH | #8 RH in
• Mounting hole spacing 27 mm | 1-1/16 in
• Maximum working load 113 kg | 250 lb
• Breaking load 544 kg | 1200 lb