A stable and movable design Unique Tru Loc(TM) ensures secure, scratch-proof positioning of instrument traySPECIFICATION: Stainless steel tray, 20-gauge: 19-1/8"x12-5/8"x3/4" includedBase post: 1" O. D. Triple Aqua Chrome(TM) steel tubingAdjustable from: 37-1/4" to 64" stainless steel tray included; Base slides easily under operating table or bedShipping weight: 27 lbs Model NO.: 1520 Company: B.J.Aqua American Hospital Equipment Ltd(China)