Yiking Angle Grinder (Blade Dia -100mm) They have a handle on top with a trigger that turns the grinder on and off. The grinding wheel attaches to the shaft of the grinder. The shaft has a chuck that holds the grinding wheel in place. The shaft also has a lock that keeps everything secure for when you want to use it. Angle grinders are being used for many different applications. It is common for an angle grinder to be used in construction where a concrete floor needs to be ground flat or smoothed out.
