2Pcs Serger Blade Set, Overlock Machine Knives & Sewing Machine Accessories, 8mm Width for GN1-2, 81-6 Household Sergers

Specification:Item Type: Serger Machine Upper and Lower KnifeProduct Specification: 2 PiecesProduct Material: SteelProduct Use: HouseholdApplicable Models: for GN1‑2 81‑6 Old Style Sewing Machines, Etc.Upper Knife Size: Approx. 4.4x0.8cm / 1.7x0.3inLower Knife Size: Approx. 5.1x0.8cm / 2.0x0.3inPackage List:2 x Serger Machine Knife Note:All data are measured manually, and there are certain errors in the measurement results.

• Specs & Compatibility：This overlocker upper lower blades set includes upper and lower blades (8mm width), precision‑ground to fit GN1‑2, 81‑6, and other old‑style overlock / household sergers
• Premium Steel & Heat Treatment：Each sewing machine blade is manufactured from high‑carbon steel with full hardening and tempering, offering exceptional wear resistance and edge retention. The blades stay sharp through thousands of cuts
• Safety & Ergonomic Design：This serger knife upper replacement features rounded tips and a fully deburred surface, eliminating sharp edges to prevent finger cuts during blade replacement or adjustment. Safe for home users
• Clean & Efficient Overlocking：As a professional serger attachment, sharp, burr‑free cutting edges produce smooth, fray‑free fabric edges, reducing skipped stitches and rework. Increases sewing efficiency by up to 30% for professional‑grade results
• For Home Sewing & Restoration Enthusiasts：This household sergers part is ideal for home users, DIY crafters, and those restoring vintage lockstitch machines (GN1‑2, 81‑6 series). Essential for garment making, hemming, and decorative overlock stitching