Size Name:Replacement Cutting Head The Swordfish ‘Edge Series’ Home and Office Paper Trimmers from Snopake Brands. The Swordfish ‘Edge-Series’ Replacement Cutting Head, product code: 40909X. Even a Swordfish blade gets worn after heavy use so when the blade eventually becomes blunt you will only need to replace the cutting head, not purchase a new trimmer. The Swordfish ‘Edge Series’ Replacement Cutting Heads are suitable for paper trimmer models: Edge-320 (Product Code: 42013X) and Edge-450 (Product Code: 42014X) only Box Contains 1 x Swordfish 'Edge' Replacement Cutting Head