Quality and durability are what to expect when talking of Nexel's shelving line. These chrome shelves are wire truss reinforced. With welded surface ribs from front to back ensuring reliable strength. The 21"W X 72" L shelves are easily adjustable in 1" increments, have a 200 weight capacity and are constructed for light penetration, free air circulation and product visibility. Each individual shelf comes standard with plastic rings and sleeves to attach to the upright posts. If true ESD is required please specify aluminum rings and sleeves (AMA)(4 pc.). Additional, spare or replacement parts such as the shelf plastic clips (AM)(4 pc.), foot plate (AF) and the donut bumper (AB3) are available.