we can supply rolled steel Here are brief introduction of our company: The best Extra Heavy Duty Ball Bearing Slide in the world. It is widely used in a variety of Telecommunication racks , Server cabinets, heavy duty storage drawers , vehicular toolboxes, civil skylight, and large pantry pull-outs etc. GW3076T Extra Heavy Duty Full Extension Slide Applications: Civil skylight etc. Finish: Bright electro-zinc plating. Length:10 "-60 ". Height: 76.36mm Side space: 19.5±0.3mm Load capacity:500lbs/pair Material: Work hardened cold rolled steel.