Designed for maximum durability, Knifeblades and Bugaboos are the backbone of any aid rack. They've been precision ground for fitting nicely into thin cracks and have second holes for clipping them in corners and reducing weight. Bugaboos are thicker, meatier versions of Knifeblades and both of them have been numbered for quick and easy identification on the wall. Features: Thin-crack protection Second hole for placements in corners and reduced weight Numbered for quick identification