Tight Fit Tools Professional Model 00102 Kit includes: a versatile close-quarter Right Angle Drill Adapter capable of drilling up to 1/4" diameter holes and compatible with all standard power drills, a 6" Threaded Drill/Tool Extension for deep hard-to-reach spots, a Chucking Spud which allows direct use of TightFit threaded shank drill bits and extensions with your standard power drill, 12 aircraft quality TightFit threaded shank drill bits (fractional sizes: 3/32", 1/8", 5/32", 3/16", 7/32" and 1/4" in short and stub lengths), threaded shank Screwdriver Bit Set (Phillips #1 & #2 and Slotted #3-4 & #6-8), 1/8" & 1/4" threaded shank Collets (allows tight fit use of wire wheels, rasps, sanding drums, etc.), and a TightFit Three-way Wrench (1/4" for screwdriver bits, 5/16" for drill bits and extensions, 7/16" for collets). The Pro 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. You will be able to make repairs and installations in near-impossible locations. Often, with its first use, the kit pays for itself in time and frustration saved. For example, the ability to drill-out a broken bolt in a tight spot can save hours. A power drill attachment that all power drill owners should have in their tool box. And, with care and maintenance, the kit should provide many years of trouble-free use. Suitability: for automotive, boat, home, RV, work and other repairs, installations and restorations. Note: drill bits comply with National Aerospace Standard 907B. The color of the nylon head may vary. All items ship USPS.