Reliable 4510TW Twin Needle Lockstitch, Walking Foot With Step Height AdjusterFor heavier work, where two needles are required; we recommend the 4500TW walking foot lockstitch machine. Top and bottom feed and a higher foot lift allow it to sew from medium to heavyweight fabric.For sewing leather, upholstery, canvas, and synthetics, the 4510TW offers the whole package. Low noise and vibration design, outstanding build quality and reliability, and the industry's #1 DC servomotor.QUALITY YOU CAN COUNT ONFor heavier work, the most common type of sewing machine is the single needle, walking foot (compound feed) lockstitch machine. Top and bottom feed, and a higher foot lift allows the 4150SW to sew from medium to heavy weight fabric. Features FOOT HEIGHT ADJUSTER The 4510TW’s foot height adjuster allows users to raise and lower the walking foot with ease for an efficient, smoother operation and complete control. OPTIONAL ROLL GUIDE A perfect straight edge is a good thing. The 4510TW is also available with ” roll guide to help create the perfect straight stitch. Please choose the required variant when adding the item to cart. AUTOMATIC LUBRICATION During operation, the oil window at the top of the head indicates that the machines internal pump system is working. HORIZONTAL BOBBIN LOAD The 4510TW’s drop-in horizontal bobbin load allows for a smoother, more efficient sewing experience. AUTOMATIC BOBBIN WINDER For added convenience, the bobbin winder on the 4510TW is built into the front of the machine head. SYNCHRONIZER A perfect straight edge is a good thing. The 4510SW is also available with ” roll guide to help create the perfect straight stitch. Please choose the required variant when adding the item to cart. 1/4" GAUGE STANDARD The 4510TW has a standard ¼” gauge set. Other sizes are available upon request. UBERLIGHT™ FLEX LED LIGHT The perfect add on light is included at no extra charge for the 4510TW making it both a great sewing machine, and great value. SEWQUIET SERVOMOTOR Our SewQuiet 12 coil DC servomotor is the powerhouse behind every 6000SM, providing revolutions up to 6000 RPM. SUPERIOR STAND Competitors typically choose to cut corners when it comes to the stand components - we don’t. We use only 100% plywood for our tabletops (as opposed to cheap particle board) and our legs are made from heavy-duty 3/32" steel. Specifications Maximum Sewing Speed 2000 RPM Stitch Length 0-0.35 / 0-9mm Needle Bar Stroke 1.42” / 36mm Needle System 135 x 17 Pressure Foot Lift by Hand 0.31” / 8mm by Pedal 0.63” / 16mm Thread Take Up Stroke 2.93” / 74.5mm Self-Oiling Horizontal Bobbin Load DownloadsSpecificationsInstructionsWarranty Add Optional Stand Caster Set in the Dropdown Menu Above Optional Add-on Stand Caster Set Casters, set of 4 and 2 blocks for sewing machine stands. Add your Casters in the dropdown menu above.