Hot shot archery org accu-peep 3/16" medium w/angular groove! FEATURES:-Orange-3/16" Medium-Internal convex shape allows for: Greater llight gathering than convention peep sights, Wider field of view than conventional peep sights of similar size-Aircraft grade aluminum construction will not deform Other Features: The accu-peep features a convex design similar to binos , contructed of high grade aluminum to cut down on weight which transfers to faster spd designed with a deep channel, smooth edged radial and angular grooves, 3/16" orange, made in the usa, 100% cut free guarantee