The BOSCH PR101 Fixed Base furnishes a ground-breaking depth-adjustment system, helping to make the GKF12CE Palm Router an ideal tool for rounding-over deck planks and railings, hinge mortising, decorative edge forming, slot cutting, window cutouts, decorative inlays, laminate trimming and more. It is a rugged 360° (non-split) housing made from aluminum, for robust precision. It provides a wide bit capacity of up to 1-5/16 In. wide. It has a center able round translucent polycarbonate subbase for worry-free guidance, easy push-button motor removal, and depth scales in both inches and metric.