Double Combination, Cast Iron, Black Asphalt, Gray Cast Iron, Class 0 psi, 3 in, Female, Socket, 3 1/4 in, 3 in, Female, Socket, 4 1/4 in, 3 in, Female, Socket, 4 1/4 in, 3 in, Female, Socket, 4 1/4 in, 0 psi Maximum Operating Pressure.
Multi-Unit Adapter, Product Type Multi-Unit Adapter, Compatible Radio Type Handheld, Compatible Radio Brand Ritron, Compatible Radio Series NT, Compatible Radio Manufacturer Model Number NT-152M, NT-174, NT470, Compatible Radio Grainger Model Number 56CY52, 56CY53, 56CY54, Number of Radios Charged 6, Number of Batteries Charged 6, Voltage 110 to 220 V AC, Minimum Recharge Time 3 hr, Maximum Recharge Time Not Applicable, Number of Chargers Included 0.