Standard Sheet Copper, stocked in 1/8″ Hard Temper which is also referred to as “Cold Roll”. Conklin stocks it predominately in 16oz (.0216 thickness) with the main size being 3 x 10 Sheets, sold in 65-sheets per crates. 20oz (.027 thickness) is also available. ¼” Hard Temper is the standard for the Pan Forming Coils which requires a stiffer material than 1/8″ hard. Stock sizes are 20” and 24” in 1,000-lb Coils. (391-ft are in a 16oz 20” wide 1,000-lb Coil). ½” Hard is also available and sold typically as bus bar in electrical applications in its main size of 4” wide by 144” long. 100-lb rolls of 16oz Soft Copper are a stock product in 20” wide, but also available in 16” and 24”. Soft Copper is the Cold Roll Copper that goes thru an annealing process to make it very soft and bendable, used by roofers in valley and flashing applications.