For indoor or outdoor use , Material: Polyamide 6.6 , Petrol-resistant , Color: black, UV-stabilized , Lock holding forces tested according to ISO EN 50146 , Silicone-free , Stable locking behavior , No splintering , For further values, e.g. tensile force, see technical data sheet , Halogen-free , Operating temperature range: -40°C to +85°C , Strap closure: Plastic tongue/nose