7pcs 1-7mm Er11 Spring Collet for Cnc Workholding Engraving Tool

This is a Precision Collets for Professionals and Hobbyists Demanding Ease Of Operation and High Quality Work Results.Hardened and precision ground.Built in self-Release design and tools will never get stuck in holder.Style: ER11Color:silver grayMaterial: Carbon steelTotal height: 18mmOuter diameter(Max): 11.5mmGripping Range: 1MM to 7MM (1mm,2mm,3mm,4mm,5mm,6mm,7mm)Fits metric shank size(s): for example,1mm Collet Fits 1mm metric shank,2mm Collet Fits 2mm metric shank.Package Included:7x ER11 ColletsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.