these chain markers are a simple yet handy system for marking the length of chain deployed

esigned and manufactured to provide extremely lightweight

The leg straps feature soft and smooth finished neoprene padding to ensure a comfortable fit around the upper leg

It is best applied to a damp surface

Harken 57mm Cheek Ratchamatic® Block Thinners these chain markers are aThe Carbo Ratchamatic is a load sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light air modes is seamless. Cheek: Line shedding, small mounting footprint and drain holes. Mounts on port or starboard. Sheave (mm) 57 mm Sheave (in) 2 1 4 in Length (mm) 83 mm Length (in) 3 1 4 in Weight (g) 89 g Weight (oz) 3. 1 oz Maximum line (mm) 10 mm