A bone implant comprising a fiber reinforced polymer matrix body； a passage through the body, open at opposite ends, and configured to receive a bone fixation screw. The bone implant comprises markings radiopaque to x-rays at opposite ends of said passage defining the location and orientation of said passage. Said markings formed as short rods which appear under fluoroscopic imaging as a single dot only when viewed from an axial position suitable for insertion of the bone fixation screw into said passage, for providing said orientation.
