13pcs ER11 Spring Collet Set For CNC Engraving Machine & Milling Lathe Tool

13pcs ER11 collet set for industry engraving machine collet set drilling. 13 x ER11 collets(1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm). Grip range: 1 MM to 7 MM (1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm).

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