ER11 13Pcs Spring Collet Set For CNC milling lathe tool Engraving machine New. Product Description 100% Brand New Model: ER11(13pcs, 1mm-7mm) Run-out tolerance 0.015mm (0.0006) First class 1065 carbon steel Hardened & precision ground The package include 13 pcs ER11 Spring Collet 1mm, 1.5mm, 2mm, 2.5mm, 3mm.3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm. The item "ER11 13Pcs Spring Collet Set For CNC milling lathe tool Engraving machine New" is in sale since Tuesday, January 3, 2017. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Collets\Spring Collets". The seller is "mib_instruments" and is located in default. This item can be shipped worldwide.