Big Gator Tools Mini V-Drill Guide, 167539, 21 total drill sizes with alignment marks on guide, Number sizes: 10, 21, 25, 29, 30, 33, 36, 37, 38, 40, 43, 45, 47, 50, 53, Fractional sizes – 1/8″, 7/64″, 3/32″, 5/64″, 1/16″, 3/64″ Standard tap drill sizes for tap sizes #10-32 to #0-80, Popular aerospace drill sizes: #10, #21, #30, #40, The Mini V-DrillGuide® is like a portable drill press for precision alignment! V-groove along the bottom of the guide allows for perpendicular alignment with all drill sizes on round parts and corners. Bottom surface is precision ground to assure stability and accurate perpendicular alignment on flat surfaces. MINI V-DrillGuide has 21 holes: #10, 21, 25, 29, 30, 1/8″, 33, 7/64″, 36, 37, 38, 40, 3/32″, 43, 45, 47, 5/64″, 50, 1/16″, 53, 3/64″. Guides are made Big Gator Tools Mini V-Drill Guide – 167539 by BIG GATOR TOOLS The Mini V-DrillGuide® is like a portable drill press for precision alignment! V-groove along the bottom of the guide allows for perpendicular alignment with all drill sizes on round parts and corners. Bottom surface is precision ground to assure stability and accurate perpendicular alignment on flat surfaces. MINI V-DrillGuide has 21 holes: #10, 21, 25, 29, 30, 1/8″, 33, 7/64″, 36, 37, 38, 40, 3/32″, 43, 45, 47, 5/64″, 50, 1/16″, 53, 3/64″. Guides are made from special nickel alloyed steel that is heat treated for durability. Drill straight – every time! 21 total drill sizes with alignment marks on guide Number sizes: 10, 21, 25, 29, 30, 33, 36, 37, 38, 40, 43, 45, 47, 50, 53 Fractional sizes – 1/8″, 7/64″, 3/32″, 5/64″, 1/16″, 3/64″ Standard tap drill sizes for tap sizes #10-32 to #0-80 Popular aerospace drill sizes: #10, #21, #30, #40 UPC: 855683004018 BR01-01 big gator tools, v drill, guide, mini, woodworking, wood working