Features:
Excellent value and high quality.
A worn chain shifts poorly and wears sprockets at an accelerated rate.
0.75% and 1%， the points at which chain experts suggest replacement.
Easy to use
Made of stainless steel material
Compatible with all chains

Specifications:
Color: Silver
Length: 14 cm
Width: 4.7 cm(Max.)

Package includes:
1x Bicycle Chain Checker