The moisture meter can quickly measure the moisture content of the grain. 1. APPLICABLE MODELS: Serger top and bottom knife for overlocks GN1-2 81-6 etc. 2. ROUNDED EDGES: The upper and lower knife of the sewing machine is made of excellent workmanship, rounded and burr-free, safe to use without hurting your hands. 3. STEEL MATERIAL: The knife blade of the sewing machine is made of the highest quality steel, which is strong and durable, resistant to wear and scratches. 4. PRACTICAL TOOL: The blade of the sewing machine helps to create many professional sewing processes and save a lot of time, which greatly improves productivity. 5. EASY TO INSTALL: The top and bottom blade of the Serger machine is easy to install and operate, very quickly you can complete the installation and save time. . SIRUBA OVERRLOKA Top knife and bottom knife set . SIRUBA OVERRLOKA Top knife and bottom knife set Specification: Item Type: Serger Machine Top and Bottom Knife Product Specifications: 2 pieces Product Material: stal Product Application: Household Applicable models: for old style sewing machines GN1-2 81-6 etc. Top knife size: approx. 4,4 x 0,8 cm / 1,7 x 0,3 inches Bottom knife size: approx. 5,1 x 0,8 cm / 2,0 x 0,3 inches . SIRUBA OVERRLOKA Top knife and bottom knife set . SIRUBA OVERRLOKA Top knife and bottom knife set List of packages: 2 x Serger machine knife Note: All data is measured manually and the measurement results contain some errors. . SIRUBA OVERRLOKA Top knife and bottom knife set . SIRUBA OVERRLOKA Top knife and bottom knife set