Peak Pier Caps
DPPC1.5: 350 x 350mm (1.5 x 1.5 brick)
DPPC2: 470 x 470mm (2 x 2 brick)

Flat Pier Caps
DPFC1.5: 350 x 230mm (1.5 x 1 brick)
DPFC2: 230 x 470mm (2 x 1 brick)
DPFC2.5: 350 x 590mm (2.5 x 1.5 brick)