24-gauge Black 47-inch-wide Mantel Shield (also spelled mantle) Angled lip is 2 3/4 inches wide, has a depth or "face" of 10"Can be cut to size. Comes predrilled with Hardware and ready to mount. Allows a clearance reduction from 18" to 9" for Stovepipe. Allows a clearance reduction from 36" to 18" from the top of an unlisted stove. This refers to a stove that has not been thru laboratory safety testing like all modern stoves have been. This comes from the NFPA 211 National Fire Protection Association guidelines which are recognized by most building departments and may or may not be approved for reducing clearances in your situation. These standards have been used for years by putting sheet metal shields with a 1" air space on walls to reduce stove and stovepipe clearances and is a long-standing recognized way to reduce radiant heat for closer clearances to combustibles.