Reducing ring with metric connecting thread and metric internal thread according to DIN EN 60423, glass fibre reinforced, with flame retardant, halogen-free. External thread: M 40 Internal thread: M 32 External thread length: 9.5 mm Internal thread length: 9.5 mm Wrench size: 46 mm Glow wire test according to DIN EN 60695-2-10+11/VDE 0471-2-10+11: 650°C with connecting thread sealing ring 987M...(please order separately!): IP68 Operating temperature range: -40° to 100°C Material: Polyamide Color: light gray RAL: 7035 (similar)