This precision wire stripper is for wires insulated with problematic material. It is extraordinarily well suited for removing insulation from PMMA waveguides with PH sheath. The pliers are made of fiberglass reinforced polyamide with exchangeable blade.The HBS1 is suitable for wires with insulation of PVC, rubber, THHN, silicone, TPE, and THWN. It is applicable for use in the telecommunications, electrical and motor industries.