Tractor Bone Pin Bohler 5in. Special features: u-shaped; replacement tractor for bone surgery set,6515-00-310-7800; for attachment to steinman pins Material and location: steel, corrosion resisting overall Arm adjustability: nonadjustable Iii part name assigned by controlling agency: tractor bone pin bohler 5"lg coml small nonadj u-shaped crs Design designation: bohler Overall length: 5.000 inches nominal