CIPA USA Comp Universal Square Marine Mirror. The mirror has convex safety glass and is a tournament standard. Square bracket can be mounted to dash or windshield. Fits windshield frames from 3/8" to 1". Meets Alabama's 78 square inch law. Features of CIPA USA M1B875 Comp Universal Square Marine Mirror Dimension: 7 x 14 inches Offers approximately 98 square inches of rearview vision Convex safety glass Square bracket can be mounted to dash or windshield Fits windshield frames from 3/8" to 1" Package Contents: CIPA USA M1B875 Comp Universal Square Marine Mirror CIPA USA M1B875: Comp Universal Square Marine Mirror