FEATURES Oil Pump System with Pump, Oil Pan and Adjustable Oil Flow Adjustable Oil Gauge Reverse Large Horizontal Axis Hook and Side-Loaded Bobbin Adjustable Upper Thread Tension Locking Stitch Regulator SPECIFICATIONS Speed, Max. (S.P.M.): 3000 *Speed depends on thread, material and operation. Presser Foot Lift: By Hand- 5/16" (8 mm) / By Knee- 5/8" (16 mm) Needle Bar Stroke: 1-29/64" (37 mm) Stitch Length, Max: 3.6 s.p.i. (7 mm) Work Space: 10-1/4" x 4-3/4" (260 x 120 mm) Needle: 135 x 17