Mesee2-13mm1/2"-20UNF Impact Keyless Drill Chuck Converter with SDS Plus Shank Adapter - Quick-change SDS shank designed for electric hammer, constructed with all metal for supreme durability- It has a locking function, great clamping force, effectively preventing drill bits loose off, more reliable. - Only to tighten the rotation adaptor prevent the hammering and other high vibration when the job is released.- Keyless chuck finger-tightens could quickly change drill & driver bits.- Comfortable jacket surface, with a strong grip, easy to grip, making the output torque becomes larger.- Unique thrust bearing, the torque applied to the handle is easy to translate into a larger gripping force.- Applicable scope: suitable for the power of 1050 w above impact drill.
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