This CAT40 ER25 Collet Chuck is the perfect addition to your machine tools collection. It offers top quality performance at 30,000 RPM with 0.0001 T.I.R. precision. The chuck is designed to hold ER25 collets and is made by the trusted brand Ridiculous Machine Tools. This unit is manufactured in China and comes with a Buy More Save More option for those looking to purchase multiple units. It is a great investment for any metalworking or manufacturing business looking for quality workholding tools. Don't miss out on the opportunity to save and get quality for less.