This is a three-piece precision micrometer & marking set well suited for use in toolrooms, training programs, machine shops and automotive work. 

The set includes the General no. 102 Micrometer with a zero set wrench for simple zero adjustments, a 6-in stainless steel ruler and carbide tip scriber with magnet for the removal of small metal filings. 

The No 102 Micrometer has a capacity of 0-1-inch with accuracy to .001, Satin chrome finish barrel and thimble, painted enamel frame, friction stop thimble and carbide measuring faces. 

The tungsten carbide reversible tip scriber has an aluminum body, with knurled handle, pocket clip, magnet, 5-5/8-in over-all-length with a 5/16-in body diameter. 

The 6-in stainless steel rule has 8ths, 16ths, 32nds and 64ths (4R Graduations), etched graduations on E-Z to read satin finish, 3/4-in width and ground edges for straightness.