The Shaper Origin 8mm Collet is an essential add-on for anyone who is planning to use Origin with the larger router bits that have an 8mm shank. This simple accessory gives you access to a wide range of bits from a variety of manufacturers. Don't compromise on cut quality and reliability with after-market sleeves and adaptors—get a collet that's designed for the job and designed for use with Origin. Compatible with Origin's SM1 spindle.