Polycarbonate plastic /red/ sm1374-14; 2.240 in. Long; 2.000 in. Center to center distance between mtg holes along lg; 0.120 in. Center of hole to edge along lg; 1.000 in. Wide; 0.500 in. From center of hole to edge along width; 0.062 in. Thk; holes 0.139 in. Min 0.146 in. Max diameter 2 places