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. Requires no tape and no magnets for a solid lock on the rib. The micro-adjustable rear sight allows for both windage and elevation adjustments.
Front diameter measures 0.029" and rear diameter measures 0.035"