7Pcs 1-7mm ER11 Collet Chuck Tool Bits Holder Collet for Engraving Machine & Milling Lathe Tool

Collets set Material: 45 # steel It is ER11 collet. Durable and wear-resistant holding force wide clamping range. Gripping Range: 1mm to 7mm. Widely used in machining centers general milling machines milling machine engraving machine silver COLOR high-speed machines and other processing. Style: ER11 Material: 45 # steel Size: Show as in the picture. Gripping Range: 1mm 2mm 3mm 4mm 5mm 6mm 7mm Fits metric size(s): For example 1mm Collet Fits 1mm metric 2mm Collet Fits 2mm metric . Package Included: 7 x ER11 Collet(1-7mm) Only the above package content other products are not included. Note: Light and different displays may the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.