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17pcs/Pack Sharpener Collets for Tool Grinder U2
Chuck collet:3mm.4mm.5mm.6mm.7mm.8mm.9mm.10mm.11mm.12mm.
13mm.14mm.15mm.16mm.1/8(3.175).1/4(6.35).1/2(12.7)
USED FOR TOOL GRINDER U2 for Grinding all kinds of tools
Clampping strong,Use widely,Hight precison