Check the listing for details. drill bit guide tool: comparable to a portable drill press -no bushings required. Condition: New. Listed at 32.95 USD. V-DrillGuide® - It's like a portable drill press!Standard V-DrillGuide® - (1/8"- 3/8")The Standard V-DrillGuide® - (1/8"- 3/8") has 17 holes (1/64" increments): 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8".Included: (1) - Standard V-DrillGuide® (1/8"-3/8")(1) - Protective hanger storage tube About the Guides:Award Winning: 2015 Pro Tool Innovation Awards& 2013 PTEN AwardsThe guides feature a precision ground base to assure stability and accurate perpendicular alignment of drill bits on flat surfacesAll drill and tap guides are made from steel that is heat-treated for durability90 degree "v-groove" design allows perpendicular alignment on round and cornered materialCan be used on flat surfaces, round parts and cornersLifetime Warranty 100% American made qualityPortable, pocket-sizedNatural steel finishWe ship orders in 24-48 hours100% USA madeAs Seen on TV ItemFREE plastic storage tubeGreat for around the home, shop, or garage! Standard V-DrillGuide® - Drill guide is sized for drill bit sizes: 1/8 to 3/8". 17 drill sizes - 1/64" increments. 17 drill sizes include: 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8". Part #: STD1000DGNPEasy to use: hold the drill guide on the material with the “v-groove” side resting on the drillable surface, clamp and drill. Helpful hint: For an accurate hole location, center punch the location of the hole to be drilled and use the correct drill size transfer punch to align the drill guide to the right location. Clamp in place and drill a straight hole. Transfer punches not included. Clamp, drill, drill bit, and accessories not included. Please direct message or call with questions: 1-888-Gator4u (1-888-428-6748).To check out other sizes available or sets, browse our store: http://stores.ebay.com/Big-Gator-Tools?_trksid=p4340.l2563