Ergonomically designed to allow for comfortable and assured, single handed control Soft-starting motor features full-time electronic feedback that maintains motor speed through the cut Adjustment ring enables controlled bit depth changes to within 1/64" Depth ring and clamping mechanism combine to ensure motor remains locked in position Large, low-pressure spindle lock button allows for comfortable, single wrench bit changes Multiple shaft-lock detents enable quick and simple bit changes Spring-loaded release tabs allow for quick base removal Aluminum motor housing and base construction provides long term durability Large 4" diameter sub-base accepts universal template guides Extended 8-slot 1/4" collet maximizes surface contact with router bit shank for a tighter grip Base: 4" round Weight: 4.1 lb Includes: Wrench