FUNCTION MONO-FORGED This series comes in Dual Block and Mono-Forged configurations. Conical Profile reduces overall wheel weight in comparison to typical concave designs. – Backpad Pocketing – Standard. – Spoke Pocketing – Standard. – Aerospace Grade 6061-T6 forged aluminum for optimum strength-to-weight ratio. – Precision CNC production to your specifications for any custom application.  OE TPMS and mounting hardware compatible.