Mini Clamp Vice

Although I have designed and 3D Printed many vices I still found myself wanting another vise and this time it was a small vice/Vise which I could clamp to my workbench when I had a use for it, this is what I have come up with.The actual Vice is more of a traditional style vice where the sliding jaw runs along the thread rather than the thread pushing the jaw, the design works well, I'm using the same grub screw arrangement to stop the thread from unscrewing itself, the 5mm x 8mm Grub screw i