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 Read and follow safety instructions in power tool owners manual. Always wear approved eye protection. Do NOT use to pry or chisel. Features Custom heat treated for long life Designed and constructed to withstand impact drills Made in the USA Pack of 5 Precision machined to ensure consistent fit Bit Type: #1 Phillips Overall Length: 3.5 in (8.9 cm) Shank Type: 1/4 in Hex Weight: 0.0310 lbs Depth: 3.5 in Width: 0.25 in Height: 0.25 in Size Name: 3-1/2-Inch Bit Country of Origin: United States DownloadsVideo DownloadSpec Sheet