Klein Power Driver Bits are manufactured in the USA to ensure proper fit in every application. Each driver bit is precision machined, heat treated and finished to the gold standards Klein Tools puts into every screwdriver blade. The proprietary processes create the longest life power driver bit in the industry. Tight fitting tips reduce wear and deliver the premium performance you expect from a Klein.Warnings Always wear approved eye protection. Do NOT use to pry or chisel. Read and follow safety instructions in power tool owners manual. Features Designed and constructed to withstand impact drills. Pack of 5. Custom heat treated for long life. Made in the USA. Precision machined to ensure consistent fit. Application: Designed to withstand impact drills Tip Size: #1 Square Insert Length: 1 in (25.4 mm) Shank Type: 1/4 in Hex Material: Heat Treated Steel Manufacturing Origin: Made in the USA DownloadsBrochureSpec Sheet