Description Polaris Quad Bar The Polaris Quad Bar System is a versatile training tool suitable for all skill levels, from preschool to competitive teams. Its modular design allows for hundreds of different configurations to support skill development, training, conditioning, and obstacle courses. Key Features: Ideal for training and learning Floor-anchored bases – no cables required Adjustable rail height from 8″ to 5’6″ in 1″ increments Available with 6′ or 8′ rails Optional mat systems available for both rail lengths (can also be purchased separately) Item Numbers: [4000] Quad Bar Structure Only [4006] Quad Bar with 6′ Carboflex Rails [4008] Quad Bar with 8′ Carboflex Rails [4006M] Complete System – Quad Bar with 6′ Carboflex Rails (Includes Mats) [4008M] Complete System – Quad Bar with 8′ Carboflex Rails (Includes Mats)   Assembly and Installation Instructions Browse more of our high quality Spieth America products here.