The Bosch PR111 plunge base features smooth plunge action and a spring-lock plunge control lever, greatly enhancing the versatility of Bosch GKF125CE palm router. The quick-clamp system allows the palm router's motor to be easily moved from base to base. The plunge base's depth adjustment system includes a seven-step adjustable depth stop turret plus microfine adjustment on depth rod for fast, accurate bit depth setting. The precision centering design makes it easy to center the subbase to keep the bit on intended cut line when using jigs, templates, dovetail fixtures and similar guidance devices. The included translucent polycarbonate subbase provides enhanced visibility for accurate positioning.