FEMUR NEAK FIXING SYSTEM       Gooseneck Screw 130° (DHS) 501001 Gooseneck Screw 95° (DCS) 501002 Pulling Screws 502001 Hollow Double-end Pressuring Crews Type I 503001 Hollow Double-end Pressuring Crews Type II 503002 Hollow Double-end Pressuring Crews Type II (Full-Threaded) 503003 Hollow Double-end Pressurting Crews Type II 503004