The Sightron FT 5" Side Focus Wheel 71001 is designed to provide precise parallax adjustments for your Sightron SIII FT 10-50x60 riflescope. Made from anodized 6061-T6 aluminum, this side focus wheel is durable and lightweight. It comes with three set screws and an Allen wrench for easy installation. The 5-inch diameter allows for fine-tuning of the parallax settings, ensuring accurate target acquisition at various distances. Ideal for field target shooting, this focus wheel enhances the performance of your riflescope by providing smooth and precise adjustments. Sightron FT 5" Side Focus Wheel 71001