ECONOSEW HEAVY-DUTY LOCKSTITCH MACHINE 211E8BL-UT Single-needle, heavy-duty lockstitch machine with automatic thread trimmer, unison-feed (needle-feed & drop-feed with alternating presser feet), large vertical rotary hook, built-in needle positioner, reverse feed and automatic lubrication. SPECIFICATIONS Maximum Sewing Speed: 2000 spm (Depends on thread, material & type of operation) Stitch Length Adjustment: 0 to 9mm Presser Foot Lift: By hand: 8mm By knee: 16mm Needle System: 135x17 Needle Bar Stroke: 36mm Feed Type: Unison-feed Hook Type: Large vertical rotary hook Amount of Alternating Presser Foot Lift: 2mm to 5mm (3 ⅕ standard) Working Space: 254mm Lubrication System: Plunger pump lubricating system and self-lubricating hook