Impact Duty Titanium drill bits with Red Helix are engineered for impacts and drills. Designed with a Variable Helix with an aggressive 35 Helix Angle that ends at 15 . Red Helix Design for rapid chip removal. 135 split point for precision start; no walking. Set Includes: (1) 1/16" Titanium Shockwave, (1) 5/64" Titanium Shockwave, (1) 3/32" Titanium Shockwave, (1) 7/64" Titanium Shockwave, (2) 1/8" Titanium Shockwave, (1) 9/64" Titanium Shockwave, (1) 5/32" Titanium Shockwave, (2) 3/16" Titanium Shockwave, (1) 7/32" Titanium Shockwave, (1) 1/4" Titanium Shockwave, (1) 5/16" Titanium Shockwave, (1) 3/8" Titanium Shockwave and (1) 1/2" Titanium Shockwave. Also includes a handy case to carry bits.