A cap rail that will fit over a 1" or 1-1/4" square, flat or channel rail. This cap rail is compliant with California building code. This cover rail is made out of molded steel. The cap rail comes in 19' lengths and weigh 37.88 lbs. Each rail is 1-15/16" wide with a 5/8" profile height. Ships LTL. Enjoy a quantity discount when you purchase 25+ or 100+.