4 Pieces Chrome Vanadium Steel Drill Bit Extension Set

Material: Made from chrome vanadium steel, this hardware accessory is built as a long-lasting drill bit extension rod set for everyday workshop and repair use. Function: Each extension rod provides quick connection to a drill or driver, helping the drill bit extension rod reach deeper or harder-to-access fastening points. Hold: The bit extension rod design helps keep bits seated more securely during use, supporting smoother bit changes and more stable operation. Compatibility: Featuring a 6.35 mm hex shank interface, this hex shank extension rod is designed for fast attachment to compatible drilling tools and drivers. Set Options: Includes four lengths, 61 mm, 75 mm, 101 mm, and 151 mm, giving this hardware accessory flexible reach options for different tasks.