Using this Bosch oven lampholder glass cover removal tool is easy. First, make sure your oven is turned off and has cooled down completely. Then, insert the tool onto the glass lamp cover. Apply a gentle and steady turning motion to unscrew the cover. When it comes to the note, always check the size of your glass lamp cover to ensure this tool is suitable. If you're unsure, contact us. For maintenance, keep the tool clean and dry after each use. Store it in a safe place to prevent damage. With proper use and care, this tool will serve you well for a long time.