PORTER-CABLE 1/4-in 0.83-HP Combo and Laminate Trimmer Corded Router16,000 to 35,000 RPM, 5. 6 amp motor provides the power and durability required to cut in various materials Perfect for most trimming, small edge forming and hinge routing applications Ergonomics allow for comfortable, single handed control Precision machined, cast aluminum fixed base provides long term durability Quick release clips to remove the motor from the base Micro set collet for quick and accurate bit height adjustments Spindle lock button