Joint, Calcaneal, Small Bone Compressor/Distractor Standard 8.5" Pin Hole Dia. 1.6mm and 2.5mm helps orthopedic surgeons compress or distract the small bones with optimal grip and enhanced efficiency. The circular arms, equipped with wire guides, facilitate the passage of wires of varying diameters. This design enhances the surgeon's ability to secure instruments firmly in place, ensuring optimal stability and precision during procedures.