Feature: Good workmanship: Quality metal makes it strong and sturdy, and has a long service life. Corrosion resistance, smooth and without burrs, high strength and durability. Improving efficiency: Sewing machine knives help create many skilled sewing processes and save a lot of time, thereby improving work efficiency. Specifications: Material: metal Size: approx. 3.8 x 1.3 cm/ 1.49 x 0.51 inch, 4.1 x 0.8 cm/ 1.61 x 0.31 inch Color: silver Quantity: 4 pieces Package includes: 4 x Serger blades Notes: Please allow slight size errors due to manual measurement. Please allow slight color differences due to different displays.Multi purpose: this household overlocker knife set is compatible with brother 1034D accurate angle blade to ensure smooth sewing and cutting, reliable design; Suitable for replacing your existing blades. Convenient to use: the serger knife overlock blade is easy to install and trim the fabric very easily; New serger blades are easy to install and they're pointed and trim your fabric beautifully. Compatible models: PL1500, PL2000, 925D, 935D, 929D, 1034D and 1134DW, 1634D, 2034D, 3034D, 925D, 929D, DZ123, DZ1234; Ideal for upper knife XB0563001 and lower knife X77683001. Sturdy material: our sewing machine blades are made of metal material, strong and sturdy, good quality, can be applied for a long time; Accurate angle blades ensure smooth sewing and good cutting. Size and quantity: you will receive 4 pieces serger blades in the package, and the hook blade is approx. 3.8 x 1.3 cm/ 1.49 x 0.51 inch, the diagonal blade is about 4.1 x 0.8 cm/ 1.61 x 0.31 inch, the replacement of both the upper and lower blade will ensure a smooth skilled fabric cutting.Date First Available: July 16, 2021. Manufacturer: Zhehao. Item Weight: 0.634 ounces. Best Sellers Rank: #49,874 in Arts, Crafts & Sewing. Customer Reviews: 4.6 out of 5 stars 154 ratings 4.6 out of 5 stars. : B099NHS567. Item model number: Zhehao-Overlocker-148. Package Dimensions: 2.8 x 2.52 x 0.55 inches.