Harken 16mm Exit Block (HK421)

16mm AirBlocks offer very high working loads in an extremely small, lightweight block.

These diminutive blocks feature a patented bearing system using stainless balls in a captive, grooved race and provide an honest 250lbs (113kg) safe working load.

They are perfect for the new, smaller synthetic control lines found on high-tech dinghies and are the obvious choice for competitive racers.

Features:
Sheave Diam: 16mm
Length: 60mm
Weight: 18g
Max Line Diam: 5mm
Maximum Working Load: 113kg
Breaking Load: 544kg