Attaches to any power drill; Recommended operating speed not to exceed 2500 rpm Right angle drill weighs 1/3 of a pound and rotates 360 degrees for tight-spot access Threaded components allow for fast, easy tool changes; Drill over, under or around obstructions Design allows "deep reach" in confined areas; Provides utility of extension drill bit set 1 year warranty, 30 day no-risk trial; PROUDLY AMERICAN MADE The Model 00100 Kit includes: a versatile close-quarter Right Angle Drilling Attachment capable of drilling up to 1/4" diameter holes and compatible with all standard power drills, a 1/8 inch short TightFit threaded shank drill bit, and a tight fit Three-Way Wrench (1/4" for screwdriver bits, 5/16" for drill bits and extensions & 7/16" for collets). With the Tight Fit Drill Kit you will be able to make repairs and installations in near-impossible locations while saving time and frustration. Suitability: Great for home, work, car, boat, RV and other repairs, installations, and restorations. Note: the high-quality drill bit complies with National Aerospace Standard 907B.