Wheels LOCKING WHEELS Heavy Duty Plastic Locking Wheels range in sizes 1 ½” to 3” cover. The Improved zip tie is designed for ease of installation and a secure connection to reinforcing steel or mesh. SPACE WHEELS Plastic Space Wheels range in sizes ¾” to 3” cover. This unique design allows for use on typical rebar sizes as well as #2 or #3 mesh. Push on for secure compression fit to reinforcing steel or mesh. Application: Foundations, bridge decks, parking structures, caissons, precast. Cover Height: ¾” – 3” Features: Strong, easy to use, secure connection, multiple bar sizes. 100% made in the USA Plastics use 100% recycled material