Material: Version Plastic (PA): Thermoplast (Polyamide), glass-fibre reinforced, black. Temperature resistant up to 150° C. Version Plastic (PP): Thermoplast (Polypropylene), glass-fibre reinforced, black. Temperature resistant up to 100°C. Cabinet handles 528 are mounted from the operating side with socket-head cap screws. Cabinet handles in the PP (Polypropylene) version are cost efficient elements which usually still meet all requirements.