- Stainless steel, ground surface with satin chrome finish, U.S. 60° standard
- Scale graduated in 14ths, 20ths, 24ths, and 32nds for finding number of threads per inch and table of double depths of threads for determining size of tap drils
Locking device at both ends of case for locking any leaf or leaves in desired position Leaves on al
SKU: 12-2106
Indicates correct size tap drill for any National Coarse or Fine tap from 2–56NC to 1/4–28NF to pro
SKU: 12-2128
Four different attachments adapt to countless applications and are readily interchangeable Attachme
SKU: 12-0074
Measures 59° drill point angle Graduation: head 32nds; rule 8ths, 16ths, quick reading 32nds and 64
SKU: 12-2100