For precise control of the face and sharpening angle, tooth length and depth gauge distance.
Also for cleaning the groove and oil inlet bores of the guide rail.
Test gauge to determine the pitch of chain and sprocket as well as the drive link thickness and the groove width of the guide rail and special test gauge to determine the state of wear of the sprockets.
Consists of control gauge and file gauge for 1/4", 3/8" P, .325" u. 3/8" chain