Specification Brand : NGOSEW BulletPoint1 : A DOZEN (12 PIECES) Brand New WAVE EDGE Cutting Machine Knives for 10" (10 inches) Eastman Machines BulletPoint2 : These knives are made of Alloy Steel. These are not made by Eastman. BulletPoint3 : Wave blades are used to reduce heat and friction when cutting fusible synthetics; the irregular edge of the blade disperses heat as it cuts. BulletPoint4 : These Wave Edge Knives are used for cutting very hard materials or where Melting or Fusing of the material is a problem. BulletPoint5 : Fits Eastman "Blue Streak II Model 629", "Brute Model 627" straight fabric cutting machines and all other compatible straight knife machines. Color : 10ew ExternallyAssignedProductIdentifier1 : 0611417905224 ExternallyAssignedProductIdentifier2 : 611417905224 ItemName : Ngosew 12PCS Wave Edge Knives Blades for Eastman Straight Cutting Machines (10EW) ItemPackageQuantity : 1 ItemTypeKeyword : sewing-machine-attachments Manufacturer : NGOSEW ModelNumber : CTX-YS-36069L-1/4 PartNumber : Wave-knife ProductDescription : A DOZEN (12 PIECES) Wave Edge Knife Blades For Eastman Cutting Machines. These knives are made of Alloy Steel. Fits Eastman "Blue Streak II Model 629", "Brute Model 627" straight fabric cutting machines and all other compatible straight knife machines. ProductSiteLaunchDate : 2021-04-18T02:59:31.920Z Size : 1/4'' SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 60120000