Description Our MILWAUKEE RED HELIX 23PC Cobalt Drill Bit Set is engineered for extreme durability and long life in hard metal applications. The QUAD EDGE tip delivers a precision start and features four cutting edges to create smaller chips for faster material removal and less heat leading to improved performance. Designed with a VARIABLE HELIX flute that begins with an aggressive 35Â helical angle and ends at 15Â for rapid chip removal. The bit also features an internal thicker tapered web that greatly increases strength, reducing premature breakage. Ideal for various tough metal applications including but not limited to Stainless Steel, Cast Iron, and Thick Metal. MILWAUKEE RED HELIX Cobalt Drill Bits provide up to 15X life vs. black oxide drill bits. The set is organized in a customizable accessory case designed for use in PACKOUT.Product Details:RED HELIX Technology combines QUAD EDGE Tip, VARIABLE HELIX Flute, and thicker tapered webQUAD EDGE Tip Stays Sharper LongerVARIABLE HELIX flute designed for rapid chip removalThicker tapered web design increases bit strengthCobalt for 15X Life vs. Black Oxide Drill Bits3-FLAT SECURE-GRIP prevents bit from slipping in chuckDesigned for use with Drill DriversIdeal for use in Hard Metals such as stainless steel, cast iron & black pipe as well as wood & plasticsLaser etched size for easy identificationCustomizable accessory case is designed for use in PACKOUTSpecifications:Kit Model / SKU: 48?89?2338Piece Count: 23 bitsBit Sizes Included:2 x 1/16"2 x 5/64"1 x 3/32"2 x 7/64"2 x 1/8"2 x 9/64"2 x 5/32"1 x 11/64"2 x 3/16"1 x 13/64"1 x 7/32"1 x 15/64"2 x 1/4"1 x 5/16"1 x 3/8"Material: Cobalt (M42 or similar)Tip Angle: 135Â split pointCase Size: Approximately 7.75"?x?8"?x?1.5"Weight: ~1.39?l