The tubular section of this mount measures and grommets up to 2-3/4" in diameter.
According to the manufacturer, the EPSV12H001K67 Carrying Case is not recommended for the PowerLite 1224 XGA Projector. The dimensions of the PowerLite 1224 XGA Projector, excluding the feet, are 11.7" length, 9.2" width, 3" height. The recommended case for the PowerLite 1224 XGA Projector is the ELPKS63 soft carrying case.
Apollo and Quartet products are manufactured by the same parent company, ACCO Brands. Apollo and Quartet projection screen parts are not interchangeable or available for individual sale. You may be able to get a new end cap through the Apollo warranty process, depending on the age and model of your screen. For more information and assistance, please contact ACCO Brands at 800-541-0094.
Thank you for your question about the 3M Easy-Adjust Monitor Arm.
Easy-Adjust Monitor Arms don't require any drilling. You can mount the arms through the cable grommets on your desk. Or, if your desk doesn't have any grommet holes, you can clamp the arms to the ledge.
The only tools you need to assemble and mount the arms are a Phillips screwdriver and two 9/16" sockets. You can checkout the complete installation guide here.
Hope this answers your questions!
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