Most listings show two common types: rubber-coated steel-core fractional bumper/change plates and heavier cast-iron plates. Finishes noted include rubber coating over steel cores and powder-coated or anti-rust finishes on cast iron.
Yes — several machines include integrated weight-storage posts or pegs on the frame so plates can be stored neatly on the unit, helping keep the workout area organized.
Fractional bumper/change plates are described with a standard 2-inch center hole (to fit Olympic-style bars) and are color-coded to help identify small incremental weight increments.
The listings report weight/stack capacities in the approximate range of 1,200 to 1,400 pounds.
Fractional bumper/change plates are offered in small increments such as 1.25, 2.5, 5, and 10 pounds. Cast-iron progression sets are also shown in ranges from about 2.5 up to 25 pounds.
Overall dimensions listed range roughly from 52.4 x 37.8 x 79.5 inches to about 57 x 40 x 82 inches, indicating a mid-to-large home-gym footprint.
