The Cowboy 227R leather sewing machine is capable of sewing up to 3/8" of leather, webbing, or denim, with up to #207 bonded nylon or polyester thread; The machine has a 10 1/2 inch long cylinder arm (a.k.a: free arm) and uses the same multitudinous and inexpensive needles and presser feet as the Singer 111w155, Consew 227R and most other walking foot machines. The throat cover plate is cut off close to the left end of the arm, allowing you to sew gussets and other projects that have narrow flanges (with narrow feet). The positive compound feed is performed by a combination of a bottom feed dog, timed with a moving needle and moving inside presser foot. Standard supplied with powerful sewing machine servo motor with speed control and needle positioning.