Zinc Sheet .027" Thickness 12" x 44" sheet. Buying a full sheet gives you the best value. The cut sizes have a tolerance of +/ 1/8"". We recommend you order a piece that is larger then you need. WARNING: Due to the nature of product, some scratches and blemishes should be expected. Metal sheets, just like their antique counterparts, may contain a certain amount of flaws, smudges, and scratches especially after shipping. Most of these marks can be buffed out using 0000 Steel Wool once the sheet is installed.