Start by using a coarse grit sharpening stone to remove any major nicks or burrs from the cutting edges. Apply moderate pressure but avoid grinding too aggressively. The SAIVXIAN U9 Fiber Thermal Stripper Pliers are designed for efficient and non-destructive thermal stripping of fiber optic cables. This device features automatic heating with thermostat control, multi-level temperature regulation, and precise gap control for various fiber types. It is suitable. Theoretically, it is possible with a lot of skill and suitable tools such as fine whetstones or fine diamond files, but there is a risk that the geometry of the cutting edge will be changed, which can impair the cutting behaviour. In addition, by reworking the cutting edges, the reach of the pliers. Therefore, understanding how to properly sharpen cutting pliers is a crucial skill for any DIY enthusiast, electrician, jeweler, or anyone who regularly relies on these tools. Stay productive and safe by keeping your tools in top condition! What Can Make Pliers Dull? A few factors can cause your pliers to become dull, including heavy use and exposure to certain chemicals. If you frequently. The Micro-Strip® stripping blades 'score' the protective coating surrounding the fiber cladding and, while holding the coating with the blade edge, remove the coating as the user pulls the cable through the fiber channel of the stripping tool.