PRIMM | Finish SILVER W/ MIRROR FACE & MACHINED RING | size desc 18X9.5 | lug count 6.0 | bolt pattern metric 6X139.7 | bolt pattern standard 6X5.5 | offset -12 | backspacing 4.78 | centerbore 112.1 | load rating metric 1651.0 | load rating standard 3640.0 | division 10 | barrel config S | shipping weight 39.36 | box label desc SLVR-MIR | finish warranty ONE YEAR | structural warranty LIFETIME | rivet part no BRRBTM812575S | lip depth 1.85 | construction type Cast Aluminum | bolt pattern mm1530 139.7