1This double fold Angle binder is used for binding of curve edge 2A10 right angle bias binder,the size is optional:2.2cm, 2.6cm, 3.0cm, 3.6cm 3Industrial sewing machine parts, flat thin material with a pulling cylinder, wrapping machine, leading, cloth wrapping pull tube, piping pull cylinder 4A ideal sewing machine parts for your sewing work 5Clever design, one of the screws can adjust the upper and lower position of the cloth outlet, adjustable wrench, can adjust the front and rear position of the tool outlet.