Irwin Unibit USA Made #3 1/4-Inch to 3/4-Inch HSS Step-Drill Bit, 3/8-Inch Shank (10233) ETM Each screwdriver is constructed of

Each screwdriver is constructed of USA 8650 Chromium-Vanadium steel alloy blades

New Old Stock National 1/8" Round #9 B&S Brown & Sharpe Taper Collet

Micrometer itself is in perfect condition

3"x2-1/2" for the front plate

Single-flute cutting edge for greater control through steps

Irwin Unibit USA Made #3 1/4-Inch to 3/4-Inch HSS Step-Drill Bit, 3/8-Inch Shank (10233) ETM Each screwdriver is constructed ofNew Old Stock Irwin Unibit USA Made #3 1 4 Inch to 3 4 Inch Step Drill Bit, 3 8 Inch Shank About this item Single flute cutting edge for greater control through steps 3 flatted shank prevents slipping in drill chuck Ideal for drilling holes into thin materials like stainless steel, copper, brass, aluminum, plastic Self Starting 1 8" Maximum Material Thickness New old stock with manufacturing dates between 2003 and 2018. 9 Hole sizes 1 4", 5 16", 3 8",