Drill Conversion Tool - Converts a cordless power screwdriver into a drill or grinder in seconds. Size:Shank Type: 1/4" Hex Shank ; Drill Chuck Range: 0.3-3.4mm / 0.3-6.5mm / 0.8-8mm. Class 3-Jaw Design - Allows you to effortlessly hold round-shank drill bits from 0.3mm to 8mm securely.
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