Check the listing for details. Drill Hog® T-20 Torx Bit T-20 TAMPER PROOF SECURITY Star Insert Bit 10 Pack. Condition: New. Listed at 12.34 USD. Drill Hog® T-20 Torx Bit TAMPER PROOF SECURITY Hi-Molybdenum Super M7+ Includes: T-20 Torx Bits (10 Pack) Specifications:T-20 Torx Bit1" LongTAMPER PROOF SECURITY TYPE (has hole in the end of the bit) Hi-Molybdenum Super M7+ Impact Rated1/4" Hex Shank Fits All Impact Drivers Lifetime Warranty Drill Hog® is proud to release the newest technology in power insert bits. These bits are made from Hi-Molybdenum Super M7+ which is impact rated and has a melting point of 4,753 degrees Fahrenheit! These bits will handle all of your extreme applications. These bits outlast other power bits by 300%! Drill Hog® includes a Lifetime Warranty to the original purchaser. Take the Drill Hog® Challenge! Drill Hog® Drill Bits will out perform and out last any bit you are using now! Put them through the test! Try them out for 60 days and if they don't out perform your current drill bits, we will give you a 100% refund! No questions asked!