Carbide Tipped Upper/Top Knife CT290-112. This top knife was used extensively though out the Rimoldi range. It featured on Models B27/227/327/527/627. Part No CT290-112. Lower Knife 270-113 (this is the most common lower knife in early models). We 100 Overlock Knives, check them out, we know you’ll find what knife you are looking for. We recommend you change overlock knives at a pair Will fit a variety of different Rimoldi overlock models: Trojan Sewing Machines Supply Equivalent Industrial Overlock Sewing Machines. You may also be interested in: Rimoldi Overlock Bottom Knife 290-113
