This ad is for a magnetic, 3D printed rock ledge for jumping spiders! These custom 3-D printed ledges has a magnet built in. This will prevent magnets from coming out overtime as well as prevent oxidation of the magnets due to moisture. (enclosure sold separately) These ledges measure
small: 1x.5” Medium 1: 2.3x1.8” Medium 2: 2.1x2.5” Medium 3: 1.9x1.8”
