Hyrax Click Expansion Screw Medium 10mm Angled 10pcs

Laboratory orthodontic expansion screw with anti-reverse lock mechanism (ClickPro) for safe and controlled palatal expansion with fixed appliances. Features secure screw closure during active treatment phase, clear tactile feedback after each 1/4 turn activation (0.80mm per full turn), and safety key system preventing unwanted reverse rotation. The screw body measures 12.8mm with angled retention arms and provides maximum expansion of 10.0mm, with direction arrow and maximum expansion path clearly marked on the stainless steel body. Package contains 10 pieces with 10 safety keys included.