Brawa Modellspielwaren
Plastic Sheets

Ribbed Metal Sheet (Black)
Walthers Part # 186-2836, p. 877 Walthers 2012 HO Scale Reference
A scale, $5.99, currently in stock at Walthers

 
Ideal for all kinds of scratchbuilding projects, each pack includes two sheets measuring 4 x 6". Thickness varies from 1/32 to .039.