The Consew 206RBL-30 Sewing Machine contains a variety of features the include, but not limited to: 30 inch Long Arm, heavy duty, single needle, lockstitch, triple feed (drop feed, needle feed and alternating (walking) presser feet) machines. Also included with this machine is: Centralized Arm Lubrication, Reservoir-Oiled Hook with Micrometic Control Valve, Large Horizontal Axis Rotary Hook and Bobbin, Adjustable Reverse Feed, Locking Stitch Regulator, Safety Clutch..