Uratech Durable Red Nylon Inserts – 30 Taper CNC Tool Holder Inserts, 25 pcsDurable Red Nylon Inserts for 30 Taper CNC Tool Holders Uratech Precision Machined Tapered Inserts for CAT 30, BT 30 & ISO 30 CNC Holders Protect and streamline your CNC tool storage with Uratech durable red nylon inserts. Featuring a precision tapered 1. 275 inner diameter, these inserts fit CAT 30, BT 30, ISO 30, DV 30, and NMTB 30 tool holders, ensuring secure and organized storage in tool carts and cabinets. Key Features of CAT 30 CNC Holder Red