Innovative slot design allows any size hoop or crossbar to be locked into the cone. Choose from 12 vertical positions or 5 horizontal (from 3" to 18" high).SlotCones™ are heavier than and twice as strong as a typical cone. Add optional weighted rubber bases for enhanced stability. Lock-In Crossbars fit snuggly into the horizontal slots. Cones: 18.5"H x 8"W. Crossbars: 40" long.