Calico Designs Office Line Keyboard Shelf in Pewter 56003 Overall Dimensions: 28"W x 22.5"D x 3.25"H Durable Powder Coated Steel Frame Powder Coated Steel Keyboard Shelf for mounting to the Office Line II 48" Main Desk (#56000) and 42" Side Desk (#56001) Overall Dimensions: 28"W x 22.5"D x 3.25"H Durable Powder Coated Steel Frame Powder Coated Steel Keyboard Shelf for mounting to the Office Line II 48" Main Desk (#56000) and 42" Side Desk (#56001)