HIGH QUALITY: Made of high quality stainless steel, it is strong and durable and has a long service life. Corrosion resistance, smooth and burr-free, high strength and durability.COMPATIBILITY STRONG: Compatible with Brother Serger 929D, 1034D, 1134DW, PL1500, PL2000. Compatible with Husqvarna Viking 660CD and 680CD overlocker models. (Please see the model before purchasing.)PERFECT GIFT: This upper and lower blade is suitable as a gift for family and friends who love overlockers. tailors around you, or you can use it to sew exquisite craft supplies for people around you.PERFECT SIZE: upper blade size (L x W) 38 x 13 mm / 1 .49 x 0.51 inch, bottom blade size (L x W) 41 x 8 mm / 1.61 x 0.31 inch.REPLACEMENT ACCESSORIES: Easy to install and use, replacing upper and lower blade will ensure smooth and clean fabric cutting, perfect replacement for old or bad ones.Specification:Product alias: Overwrapper Upper and lower knifeSize: upper knife: 3.8cm*1.3cmCut: 4.1cm*0.8 cmMaterial: MetalField of application: Sewing machineAccessory use: Accessories for cutting equipmentModel : Upper knife XB0563-001 Lower knife X77683001Fits: Brother Serger Models: PL1500, PL2000, 925D, 929D, 1034D, 1134DW.Fits: Husqvarna Viking Serger Machine Models : 660CD 680CD.Package including:1 * Upper overedge knife1 * Lower overedge knife Warning1. The dullness of the knife cannot be avoided, change it regularly so that you can sew again.2. Lightweight and sharp, be careful not to hurt your finger and keep it away from children.3. About the size: the size is measured manually. Due to factors such as different measurement tools and methods, there will be an error of 2mm. It is recommended to shop by yourself.4. About color: The products in our store are all taken in kind, and the colors are professionally proofread and are closest to the actual tiles, because the color contrast and color temperature of the computer monitor are different, etc.5. If you have any questions, we are happy to help.Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store