Specifications: 7″ Tall Post Gear Driven Top Feed Roller Foot Gear Driven Bottom Feed Roller Feed Needle Feed Top Load Bobbin Semi-Automatic Lubrication 5-25 Stitches Per Inch Sews up to 20 oz. 46-92 Thread Size 135×8 Needle System Digital D.C. Servo Motor Heavy Duty Speed Reducer 28 LED Super Beam Lamp Drive Unit With Wheels Description COBRA 8810 Post Machine The COBRA 8810 Post Machine will sew up to 20 oz. matirials including Leather, upholstery, Canvas, Tarps, Denim, Nylon or other heavy fabrics. Well suited for the fabrication of footwear, upholstery, caps, as well as decorative stitching on western boot tops as well as assembly of boots and shoes. all backed by our “Limited Lifetime Warranty”. We stand by our machines!”Limited Lifetime Warranty” on all COBRA products.