Punched from 1/2 hard temper anodized strip. The sides of the scales are not anodized. Thickness is 0.03" unless noted. ~100 pieces/bag, 10 bags / Pack. Standard Pattern Notes: You MUST use the correct ring size for this pattern - any 18g 1/4'' ring. You will need ~700 scales per sq ft and 2 rings per scale. You will receive 1000 scales of your choosing.