Supplier: Carlisle Brass.
Dimensions:
76 x 50 x 2mm (HDSW1CP) Steel washered
76 x 50 x 2.5mm (HDSSW2CP) Heavier guage stainless steel washered
102 x 67 x 2.2mm (HDSW2CP) Steel washered
102 x 67 x 4mm (HDSSW2CP) Heavier guage stainless steel washered
Sold in pairs, complete with screws.