α (Alpha) Pure Copper rhodium-plated center conductor
α (Alpha) Lead Free copper alloy rhodium body
Central Insulation & Outer Insulation Ring：Nylon + Fiberglass (Red, White)
Conductor fixed by soldering
α (Alpha) Lead Free copper alloy Cr or Gold plated fixing ring nut
Dimensions: 17.0mm diameter X 21.1mm(H) X 34.5mm overall length