Housing: A3 cold-rolled steel, 2.0mm thick, case-carburized, heat-treated, and chrome-plated.
Compression fitting: 45 steel, heat-treated, nickel-plated.
Insert: ABS.
Latch: Nickel-plated. Connecting rivets: Blackened.
Pressing range: RG-59(4C)、RG-6(5C)