Credo-tech india offers hook winder, model sks pullwinder. Specifications: pneumatically driven needle hook; wire range - o 0.2 mm, o 2.5 mm; coil diameter [od max] - o 15 mm -o 80 mm; air supply - 5 bar; and hook sizes -4, 6 and 10 mm. The company also offers toroidal winding machine.