This premium hardware set includes four quick-release extension pieces in 60 mm, 100 mm, 150 mm, and 300 mm lengths. Each versatile drill accessory is designed to extend your reach in tight, hard-to-access areas. Featuring an engineered extension rod design, the holder utilizes a two-groove hex self-locking mechanism to keep bits firmly in place during high-rotational force applications. Built with a standard 6.35 mm hex shank extension, each piece features a high-hardness black shaft, a sleek silver collar, and a colored knurled locking section for a non-slip grip. This quick-release drill bit holder with lock allows for rapid, one-handed bit changes.
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