The Tight Fit Tools Model 00105 Kit includes: a versatile close-quarter Right Angle Drill Attachment capable of drilling up to 1/4" diameter holes and compatible with all standard power drills, a 6 inch Threaded Drill/Tool Extension for work in deep or narrow location, a Chucking Spud which allows straight use of TightFit threaded shank drill bits and extensions with any power drill, six aircraft quality TightFit threaded shank drill bits (Combo Drill Bit Set, 00131), a TightFit Three-way Wrench (1/4" for threaded screwdriver bits, 5/16" for threaded drill bits and extensions, 7/16" for threaded collets). The kit is packaged in a red, heavy-duty, blow-molded storage case. This item can be a tool gift idea for any power drill owner. Repairs and installations can be made in near-impossible locations saving both time and frustration. Suitability: Great for home, work, car, boat and RV repairs, installations, and restorations. Note: the high-quality drill bits comply with National Aerospace Standard 907B.