Harken single swivel carbo block 29mm

Extremely small, extremely strong.
Mainsheet block on small dinghies.
Control blocks.
Sideplates, sheave and balls are high-strength engineering plastic.
M-Lock holds swivel in front/side position or swivels freely (doubles & triples).
Line shedding cheek block has small mounting footprint/drainholes.
Low-profile Ti-Lite replaces headpost shackle, spring w/high-tech line.
Use for:Outhauls, vangs, cunninghams, barberhaulers, flag halyards.