Form-fit stripping also of difficult-to-remove insulating materials made of PTFE, silicone, Radox®, Kapton® and rubber- multi-layer too. A second pair of blades holds the remaining insulation reliably in place. Replaceable shaped blade adapted precisely to the respective conductor cross-section. With length stop for constant stripping length during repetitive work. Pliers body: steel. Blade: special tool steel, oil-hardened.