We have several of these. They are well designed and have additional features. We use them on tables with a frame that protrudes from under the top. So we had to set the clamp to a higher value. They worked great and were very stable. Call the company for help and immediate support.
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15.4" Notebook Apple MacBook Pro 15 Mid 2015 2880x1800, Intel Core i7 2.2 GHz, RAM 16 GB, DDR3L, SSD 256 GB, Intel Iris Pro Graphics 5200, macOS, MJLQ2RU/A, silver
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