Brass Collet Size: 0.5mm/0.8mm/1.0mm/1.2mm/1.6mm/1.8mm/2.0mm/2.2mm/2.4mm/3.0mm/3.2mm. Ideal for combined use with a hand drill or electric drill,to drill ABS,wood board,presspaper,etc. Change the clamping capacity of the electric grinder and solve the blind zone of the clamping path.
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