Quantum Storage Systems 21TB Tie Bar for 2 Rigid Casters, Chrome Finish, 21' L

USES Designed for use with Rigid Casters for Wire Shelving Units RIGID ALIGNMENT Required for use with rigid casters to ensure rigid alignment Rigid Casters sold separately TIE BAR LENGTH should match up to shelf depth CHROME FINISH for durability and resistance to dirt build up and corrosion SIZE 21 length