The Porter-Cable 9690LR 11 Amp 1-3/4 Horsepower Fixed Base Router makes easy work of even the toughest routing jobs. The powerful 11 Amp motor generates speed of 27,500 RPM for ultra-clean cuts. Bit changes are quick and easy with the 9690LR"s auto-release collet system. This router comes equipped with a 1/4-inch and a 1/2-inch collet, so it will accept a variety of shank bits of these either of these sizes. Durability is a priority in the 9690LR, and it shows with its dust-sealed switch and sealed ball bearing design that keeps dust out of the tool"s vital components. This router is also extremely comfortable to operate, and the overmolded rubber handles provide a secure, pleasant grip while operating the router.