22C

features

• The sliding head may be adjusted to any position along the rule and locked by a thumb nut
• The head is beveled to 59° (the correct drill point angle), and is also graduated in 32nds along the 59° face for measuring the drill lips which should be of equal lengths
• The hook rule has accurate, machine-divided graduations in 8ths, 16ths, quick-reading 32nds and 64ths
• Hook is adjustable and can be shortened or extended on either side of the rule, and may also be removed if desired
• Tool can also be used as a Plain Rule, Hook Rule, Depth Gage, and Slide Caliper
• For quickly and accurately determining the correct drill point angle of 59° and the correct length of drill lips necessary for clean-cut drilling at maximum feeds and speeds