chain checker FORCE PROFI with hook

universal chain wear indicator with hook
replace the chain before indicator falls through link
OK – up to 75% chain wear – replace the chain
NEGATIVE -100% chain wear
mounting hook holds the chain links when riveting
length: 124 mm, thickness: 2 mm, w/ hanging hole
material: steel chrome plated, weight: 30 g
packed on FORCE card ,designed for PROFI use