3.5mm Headless Compression Screw is designed for small bone fractures fixation and joint fusions. Capitellum fractures, navicular fractures, scaphoid fractures and nonunions,5th metatarsal fractures,MCP fusions, carpal fusions and bunionectmies are the areas that 3.5mm HCS are intended to be used in. The screw is available with up to 48mm length options and 3.7mm proximal area thickness. As an important feature, cannulated design, provides the surgeons an easy application over a 1.0 mm guidewire.