ITEM:  NEW High Quality Large Capacity Rotary Hook Assembly # 18033 for Singer 531B , Tacsew T155RB

Part Number: 18033

Fits

Singer : 531B-8BL , 531B-7BL , 531B-3BL .

Tacsew : T155RB , T280-RB .

and many similar style Walking Foot Industrial Sewing Machines and Embroidery Machines.