HEAVY DUTY DROP FEED, NEEDLE FEED (COMPOUND FEED) ALTERNATING PRESSER FEET LOCKSTITCH with CENTRALIZED ARM LUBRICATION RESERVOIR-OILED HOOK WITH MICROMETRIC CONTROL VALVE LARGE HORIZONTAL AXIS HOOK AND BOBBIN ADJUSTABLE REVERSE FEED LOCKING STITCH REGULATOR SAFETY CLUTCH Specifications 206RB-5 206RBL-25 Long Arm (25") Speed, Max (S.P.M.) : 3300* 3300* Clearance Under Foot : 9/16" (14mm) 9/16" (14mm) Needle Bar Stroke : 1-5/16" (33mm) 1-5/16" (33mm) Stitch Length, Max. : 2-1/2 (10mm) s.p.i. 2-1/2 (10mm) s.p.i. Needle : 135 x 17 135 x 17 Bobbin - Metal : 18034 18034 - Pre-wound : M M Hook : 18033 18033 Work Space : 10 5/16" (258mm) 25" (635mm) Bed Size : 7" x 18-7/8" (178 x 480mm) 7" x 33-9/16" (178 x 852mm) Stitch Type : 301 301 *Speed depends on thread, material and operation.Applications For sewing light to heavy-weight materials such as leather, vinyl, upholstery, synthetics, canvas and various coated and laminated products. Designed for stitching such products as auto, boat and furniture upholstery, tarpaulins, covers, sails, tents, camping trailer covers, awnings, umbrellas, tops, bags, luggage, handbags, travelware accessories, sports and camping equipment, wearing apparel, outdoor clothing, canvas shoes, slippers, orthopedic appliances etc.1 Features Extra long stitch - 2 1/2" S.P.I. (10mm). Large bobbin. Bobbin can be changed without removing article being sewn. Thread release finger (for heavy thread). High presser foot lift - 9/16" (14mm). Centralized arm lubrication. Reservoir-oiled hook with micrometric control valve. All gear driven hook mechanism. Large horizontal axis hook. Safety clutch with push button re-engagement. Adjustable reverse stitching can be same length as foward stitch. Simple adjustment permit raising and lower of the center foot which allows for sewing different thickness of materials and thus assures positive stitching. Walking feet, needles and other attachments interchangeable with Consew Model 226R-2 and 255RB-2. Needle plate, foot and feed dog can be changed for special operations. Standard attachments easily installed. Compound feedt, walking foot mechanism insures even feeding of material. Locking stitch regulator prevents changes in stitch length from vibration.