The MILWAUKEE?? SHOCKWAVE??? 65 Piece MRO Impact Driver Bit Set features Bits engineered to be the Most Durable, Best Fitting driver bits on the market. The impact driver bits feature Wear Guard Tip??? that delivers increased wear resistance which protects the fit over the life of the bit. The Shockzone??? is optimized for for each tip type and length of driver bit to absorb peak torque and prevent breaking. The Milwaukee impact driver bit set features Custom Alloy76??? steel, heat treated per tip type to extend the life of the driver bits, providing up to 50X life vs. competitive impact driver bits. The MILWAUKEE?? SHOCKWAVE??? driver bits are built to deliver extreme durability for the most demanding applications.Wear Guard Tip??? protects fit over the life of the bitCustom Alloy76??? Steel is engineered to extend bit lifeUp to 50X life vs other impact bitsShockzones??? are optimized in both length and width per tip type for best performance across tip types.Precise Fit Custom Machined Tip prevents stripping and reduces wobble.Laser hardening at the tip creates an outer protective shield for improved wear resistance.Customized geometry and heat treatment per tip type for best performance across tip typesLaser etched size for easy identificationDesign for use with impact drivers and drill driversIncludes: Compact Magnetic Bit Holder; (61) 1" Insert Bits: PH1, PH2, PH3, PR2, SQ1, SQ2, SQ3, T10, T15, T20, T25, T27, T30, T40, SL #8, SL #10, 3/16" Hex, 1/4" Hex, T7 Security, T8 Security, T9 Security, T10 Security, T15 Security, T20 Security, T25 Security, T27 Security, T30 Security, T40 Security, 5/64" Hex Security, 3/32" Hex Security, 7/64" Hex Security, 1/8" Hex Security, 9/64" Hex Security, 5/32"Also includes: Hex Security, 3/16" Hex Security, 7/32" Hex Security, 1/4" Hex Security, #6 Spanner, #8 Spanner, #10 Spanner, #12 Spanner, 1/8" Clutch G, 5/32" Clutch G, 3/16" Clutch G, PZ1, PZ2, PZ3, #1 TRI-WING??, #2 TRI-WING??, #3 TRI-WING??, #4 TRI-WING??, #5 TRI-WING??,