PORTER-CABLE 4514 Plunge Base for Compact Router Precision machined brass bushings and case-hardened steel guide rods provide a smooth and accurate plunge stroke Clear, LEXAN sub-base provides enhanced base durability, bit visibility, and accepts standard template guide bushings Rubber over molded handles and low center of gravity design provide best-in-class comfort, balance, and control Heavy-duty, precision machined, die-cast aluminum base and motor housing for durability and low tool weight Precision machined brass bushings and case-hardened steel guide rods provide a smooth and accurate plunge stroke Clear, LEXAN sub-base provides enhanced base durability, bit visibility, and accepts standard template guide bushings Rubber over molded handles and low center of gravity design provide best-in-class comfort, balance, and control Heavy-duty, precision machined, die-cast aluminum base and motor housing for durability and low tool weight Rubber over molded handles and low center of gravity design provide best-in-class comfort, balance, and control