Check the listing for details. Bell Howell Micro Mount Tray & 40 Empty Film 2x2 Slide Holders. Condition: Used. Listed at 2.00 USD. This Bell and Howell Micro Mount Tray comes with 38 empty film 2x2 slide holders, perfect for storing your slide collection. There are 2 missing cartridges. The tray is compatible with Bell and Howell projectors and is designed to hold your slides securely while allowing for easy selection and projection. The compact design makes it easy to store and transport, making it a great choice for photographers and collectors alike. With this slide tray, you can easily organize and protect your slides without worrying about their condition. The sturdy construction and compatibility with Bell and Howell projectors ensure that your slides will always be ready for projection. Get this Bell and Howell Micro Mount Tray today and take the first step in preserving your valuable slide collection.