Product Name: Precision Er Spring Collet Chuck Sets and Er Collets (ER16, ER25, ER32 and ER40) Model NO.: ER Certification: ISO 9001:2008 Material: metal Type: Machine Accessories Customized: Non-Customized Size: Middle Logo Printing: Neutral or OEM Delivery: One Month Trademark: neutral or OEM Transport Package: Cartons Specification: ISO9001 Origin: China Product Description Supply Precision ER Collet ChucksFeatures:- Made of high quality of steel.- Unique 8 degree taper design affords highest gripping power.- double angle for extreme concentricity.- 16 jaes giving powerful gripping and parallel clamping.- A unique self-releasing system is built into the collet and clamping nut ti eliminate cutting tools sticking in the collets.Sizes:---Inch sizes are also supplied.--Except the above ER Collets,w also supply the following Machine Accessories: Tool Post and Holder,Sleeves,Vises,Collets,Chucks,Drill Chucks,Milling Arbors,Working Tables, etc.For more details, please kindly visit our website to browse and download our full range of catalog.