The Over-The-Range Microwave Trim Kit Includes (2) Stainless Steel Trim Pieces That Cover The Gaps Between The Appliance And The Surrounding Walls Or Cabinets. This Kit Also Includes The Necessary Mounting Hardware And Installation Instructions. This Kit Creates A Finished, Custom Look For Your Over-The-Range Microwave. These Brackets Are Compatible With Many Standard Microwave Brands; Check To See If Your Model Number Is Compatible. Each Bracket Measures 17-1/3" W X 12" H X 2-15/16" D. Installing This Accessory Will Require Basic Hand Tools And Novice Repair Experience.