Have a look at the Amazon product page for photographs and customer reviews. The final "photo" on the page is actually a short video that shows how simple it is to screw this keyboard tray to the underside of a desk.
My schedule is unpredictable but reasonably flexible at the moment, so let me know what days/times suit you for collection and we can work it out.
under-desk keyboard tray (Caversham RG4)
This offer has been gifted to someone and is no longer available.