1Skid Resistant: Watch opener wrench anti slip material, easy to operate, will not damage your watch and interrupt operation. 2Professional: Watch cover opener is one of the professional watch repair tools, suitable for repairers and amateurs, saving expensive repair costs. 3Watch Repair Tool: Watch opener wrench is suitable for watch maintenance personnel and DIY home watch maintenance to meet different needs. 4Open Watch Back Cover: Watch opener wrench is mainly used to open the back cover of the watch, which is convenient for changing the battery of the watch. 5Alloy Material: Watch cover opener adopts high quality alloy material which is durable, not easy to deform, can effectively resist oxidation and rust, and has a long service life. Item Type: Watch Opener Wrench Material: Alloy Three Jaw Opener Length: 165 x 70mm / 6.5 x 2.76inApplicable people: Suitable for watch repairers and watch repairs at home Applicable Scene: Used to open the back cover of the watch 1 x Three Jaw Opener 12 x Opener Head Manual measurement, there is a little error