SEIZMIK HALO-RA CAST REAR MIRROR 1.75" - 63-18024The Seizmik Halo RA Cast Rear Mirror is a 1. 75 inch clamp mount UTV mirror built for riders who need a clear, stable view behind them on the trail, and it's the go to pick if you're searching for a Seizmik Halo RA cast rear mirror 1. 75 inch UTV. The Seizmik Halo RA clamps directly onto 1. 75 inch roll cage tubing, so it fits a wide range of side by side cages without adapters or guesswork. The convex safety glass gives you a crisp, wide angle view