BIG DEAL!!! Get a 65% discount on five steer skins for your congas- less than $30 per skin. Scratch and Dent Middle Eastern Steer Skins- 5 Pack includes 20″ diameter skins ranging from 1.6mm to 2mm in thickness. They have minor blemishes like scratches or slightly rough surface, but are perfectly functional. They sound warm and classic with crisp slaps, round open tones, rich bass and controlled overtones.