Siruba Top Knife KR23 Need A Knife For Your Overlock Machine? Look No Further. We Stock simply 100’s of Overlock Knives, so we probably have the one you are looking for ready for despatch today. Siruba Tungsten Tip Top Knife KR23. Top knife for Siruba overlock machines. Bottom Knife Part No KR35. This overlock knife combination has been used on many other overlocks though out the industry. We recommend that you change the overlock knives as a set for 100% performance
