Product details:

Offering four adjustable depth settings for flexibility and versatility, the Porter-Cable 8931 Plunge Router Base is so easy to operate you can plunge with just one or two fingers. Solid multiple stops combine with a convenient lever that can be locked into the in.openin. positions for smooth plunging. Brass bushings add durability, a thumb rotating stop turret ensures safety, and a dust collector port helps keep your workspace clean.