These fully adjustable front and rear sights clamp to the vent rib of most popular shotguns and require no tape or magnets. The micro-adjustable rear sight allows for windage and elevation correction. Two dot green rear and red front. FEATURES: a Truglo's ultimate turkey sight. a All steel construction. a Securely mounts to your rib without tape or magnets. a Full windage and elevation adjustment. a Front diameter is .029"; rear diameter is .035". a Endorsed by the National Wild Turkey Federation. Fits: Most Charles Daly and Remington