Rotary Hook #18033 for Consew 206rb 205rb Industrial Sewing Machine Rotary Hook For Consew Industrial Walking Foot Sewing Machines. Hook # 18033 Fits Consew models : 206RB, 205RB, Fits Seiko models ; STH-8BL & STH-8BLD Fits Tacsew models : T111-155, Fits Yamata models : FY5618 It will also fit many other industrial walking foot machines using large "M" size bobbins