Magnum Expansion Screw 11.0mm 100pcs

Laboratory orthodontic expansion screw made of stainless steel with cone-shaped skeletonized holder and reinforced screw body. Features cross holes in the screw body for optimal acrylic retention, travel limit stop at maximum expansion, and yellow fluorescent direction arrow for patient guidance. Designed for transverse maxillary expansion and bimaxillary functional appliances, with maximum expansion of 11.0mm (4 x 1/4 turns = 0.80mm activation). Package contains 100 pieces with included expansion screwdriver.