As you may know, I'm a big fan of camera sliders - even made my own a few months ago. So when Neewer got in touch to ask me to review one of theirs, I jumped at it. The slider comes in a decent carrying case, and the internal zipped pocket contains a few bits and pies - an Allen key for if you need to tighten anything up, a couple of rubber buffer studs that stop the slide plate crashing into the end frames (I can't imagination under what circumstances you'd need to replace the ones it comes fitted with), and a ⅜" to ¼" threaded adapter. Neewer's slider is liberally equipped with both  ⅜" and ¼" threaded holes. The actual spindle for attaching your camera or a quick-release plate is ¼". The slider is constructed from a metal alloy, apart from the slide rails which are carbon-fibre. So the rails are super-strong, and super-light. The actual sliding mechanism is a bit unusual - most sliders use linear bearings that fit over the rails, but ...