5 Speed Cordless Electric Mini Grinder. Press the spindle lock button and loosen the black nut counterclockwise;. 1 x Electric Grinder. 【Upgraded Cordless Rotary Tools】 The cordless rotary tools include twist drill bits, diamond bits, grinding stones, collets, cutoff wheel, mandrel, felt polishing wheels, screw mandrel, sanding bands, sanding drum, which are suitable for performing various household projects or handicraft work, such as grinding, cutting, grinding, engraving, polishing, drilling, etc.
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