I used it to change the lightbulb in my Bosch HMB5050/01 microwave. Works great! The original lamp has two different sized pins, one larger than the other. This replacement has two smaller contacts. This is not a problem. The smaller pin fits perfectly into the larger plug. You might not even notice it if you make the swap yourself. The housing of my microwave oven is held in place with two torx screws (star-shaped with a dot in the middle). I used a couple of vises to get the screws out in seconds. The rest of the screws are regular Phillips head screws. Having a vise or pliers can save you from buying a new screwdriver bit.