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About this item

• Special nickel alloyed steel heat treated for durability. Non-plated material with light oil coating to prevent rust .
• Centers the holes on pipes, dowels & outside corners. Flat side allow 90° drilling into flat surfaces-just clamp and drill.. Automatically squares up the drill with the surface. Alignment marks on both sides, to line up on center .
• Bottom surface is precision ground to ensure stability & accurate perpendicular alignment on flat surfaces. Round stock hole alignment marks on one side .
• Prevents drill bit wander. Portable, pocket-sized and housed in a handy plastic storage case w/surface ridges to prevent opening, PegBoard-Friendly. Only shipping one of each Drill Guides "NO" other tools or ruler included .

Big Gator Tools BGT V-4 Pack 3 Portable Drill Guides (In Standard Imperial Fractions (SAE) Sizes) + 1 MINI Guide (In SAE and Number Sizes) Consists of the following part #s: STD 500NP + STD1000DGNP + STD2000DGNP + SDGMINI. This set is like a portable drill press for precision drill bit alignment! The precisely milled V-groove along the bottom of the drill guide allows for perpendicular alignment with all drill sizes on round parts like pipes, dowels, and outside corners. Bottom surface is precision ground to assure stability and accurate perpendicular alignment on flat surfaces. The flat side allows 90° drilling into flat surfaces—just clamp and drill. American Engineered & Made in the USA to be the most universal Portable Guides ever! SPECIFICATIONS: STD500NP Guide w/9 Standard Imperial Fractions (SAE). Hole Sizes: 6, 8, 10, 1-4, 5/16, 3/8, 7/16, 1/2, 5/8". STD1000DGNP Guide is sized for Standard Imperial Fractions (SAE) drill bit sizes of 3/8" drill index—everything from 1/8" to 3/8" in 1/64" increments. w/17 Standard Imperial Fractions (SAE). Hole Sizes: 1/8, 9/64, 5/32, 11/64, 3/14, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8". STD2000DGNP Guide w/9 Standard Imperial Fractions (SAE) Size: 13/8, 25/64, 13/32, 27/64, 7/16, 29/64, 15/32, 31/64, ½ .SDGMINI portable MINI Guide w/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". Covers all tap drill sizes for tap sizes: 10-32 down to 0-80, Aerospace drill sizes: #10, 21, 30 & 40. NOTE: NOT TO BE USED WITH HAMMER DRILLS. Only shipping one of each (3) Guides. "NO" other tools included. WARNING: Always ensure that you and persons in the vicinity wear approved eye protection. Never use on or near live electrical circuits.All Manufacturer's Specifications are Subject to Change Without Notice .