➤8Pcs ER11 Collet Set Gripping Range: 1mm to 7mm (1mm, 2mm, 3mm, 4mm, 5mm, 6mm,6.35mm, 7mm)
➤Made of formulated spring steel.
➤Perfect for CNC milling lathe tool and work-holding engraving machine. To learn more about how to choose the right bits to meet your needs, please find the Comparison Chart (CNC Bits Buying Guide) at the Product Guides and Documents Section below.
➤Hardened and precision ground.
➤Run-out tolerance 0.01mm (0.0006")
