Maximum precision when dowel boring with the Felder FD 21 professional. With 21 high quality drilling spindles at a distance of 1 1/4" (32 mm), for drill bits with a diameter of maximum 1 3/8" (35 mm), exact dowel and line boring holes are guaranteed . The welded chassis in combination with the solid cast iron table, rigid side and longitudinal stops, as well as pneumatic workpiece holders and ergonomically designed operating elements ensure that the FD 21 professional, is a dowel boring machine of the top class.