These reusable steel forms work great on all masonry chimneys. The straight-sided forms are 5 1/2" deep. These forms allow for a minimum 1 1/2" overhang or drip edge.
WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.