The Seizmik Side View Mirror's large, convex viewing surface gives the driver a large range of view, allowing him to see all angles with one glance. Constructed with shatterproof tempered glass and super-tough housing, it is designed to withstand abuse. With its increased maneuverability, this mirror offers a wide range of adjustment. Mounts for side view on vehicles with a 1.75" round bar. Can be mounted on a variety of vehicles-boats, lawn mowers, tractors, and more. Includes strong, durable steel clamp. Pack of 2.