Harken 16mm Triple Block with becket is Harken's smallest triple block, with a 5/8" sheave.
16mm Blocks have a lightweight design and a unique patented bearing system that uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength-to-weight ratios around. Use with small synthetic control lines found on high-tech dinghies.