This Over-The-Range Microwave Trim Kit, Anti-Fingerprint Stainless Steel Can Be Installed In Standard-Sized Cabinets Over Any Electric Or Gas Built-In Oven Up To 30"W. This Kit Gives The Appliance A Sleek, Built-In Look While Clearing Up Space On The Counter. Kit Includes: (2) Rails, (1) Bottom Duct, (1) Trim Kit Frame, (14) Short Screws (11 3 Extra), And (6) Painted Long Wood Screws (4 2 Extra). This Kit Is Used With 1.6 Cu. Ft. Countertop Microwaves, Please See Your Model'S Use And Care Manual To Ensure Compatibility. Installing This Kit Will Require No Disassembly Or Repair Experience. You Must Unplug The Microwave Or Shut Off The House Circuit Breaker For The Appliance Before Installing.