Aluminum pipe 45° 45x3 mm, short radius Suzuki Inner diameter 1 (mm): 51 HEATING COOLING 9 3 (99 03) Inner diameter 1 (mm): 51 mm Inner diameter 2 (mm): 25 mm Inner diameter 1 (inch): 2 inch Inner diameter 2 (inch): 1 inch Length: 100 mm Color: Blue Wall thickness: 4 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 61 mm Outer diameter 2: 35 mm Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric Bend: 90 degree Inner diameter (mm): 80 mm Inner diameter (inch): 3 1 8 inch Leg length (see picture): 125 mm Color: Red Wall thickness: 5 mm Temperature range: 40 to +180 degreeC Reinforcement: 4 layers Material: High quality silicone rubber polyester fabric To ensure your hose from not popping off 3 millimeter wall thickness makes it suitable for welding and constructing own applications