3M fiber optic polishing films are known for their unsurpassed quality and high connector yield. 3M's micro graded abrasives are bonded onto a uniform polyester backing. The precision grading of these films provide you with consistent, repeatable finishes for every step of the polishing process. 3M Fiber Optic Lapping Films are ideal for use on Ceramic, Stainless Steel, Plastic and Composite Ferrules. Each sheet of 3M Fiber Optic Lapping Film provides you with high connector yield and maximum value for your money. You will find that 3M's premium Diamond Lapping Films are especially well suited to cutting and polishing hard ceramic ferrules and glass cores at the same level and at a consistent rate. 3M's Fiber Optic Final Polish Discs are ideal for achieving a super-smooth final polish of your fiber optic connector endface. This fiber optic lapping film meets industry standards for back reflection, and meets Telcordia GR-326 Standards. These Fiber Optic Final Discs have a high first-pass yield that minimizes rework. This fiber optic polishing film also eliminates slurries and messy cleanup.