All steel hinges have double or triple laminations in the strap for greater strength. Opens 180 degrees. Supplied with non-removable pin for maximum security. (Also available with removable pin). Available flush or 3/16" offset. Available in 10 Ga. stainless steel. Bracket - 8 Ga. x 5" x 3" from center of pin Strap - 8 Ga. x 2 1/4" x 8", 12" or 16" and 19" long. Pin - 1/2 Dia. steel Finish - Zinc plated.