Top Section: Anti-twist Cam Lock (Not for Kiddy/Midi)
Paddle lock system bottom section camlock adj clamp
If you just need to replace the screw, you can find this in most general hardware stores. The dimensions are M4 0.75 thread + 10mm long shaft.
Red Paddle Co Accessories from H20 Sports are available at the best possible price. If you can't see what your after give the experts a call on 01202 733744.
Plus FREE Shipping as standard and 0% Finance Options Available.
You won't be able to dismiss this by usual means (escape or click button), but you can close it programatically based on user choices or actions.