The 4-1/8" x 7-3/4" convex mirror comes with 1" square bar clamps to fit many PTVs. Breakaway feature helps eliminate damage. Made with durable ABS plastic. Ball-and-socket joint for easy adjustment. Fits either right or left side; sold individually. Universal fit for most PTVs with flat 1”-square mounting surface, or ¾”-square when included rubber insert used.