1090 Ring Lock Aluminum Thrust Bearing Hip Joint Model 1090 locks in 180° of extension. Ball catches are standard. PRODUCTS PARTS DOCUMENTATION {{ row['SlItemNo'] }} 1090 IFU English 1090 IFU French 1090 IFU Spanish 1090 IFU German 1090 IFU Crotian 1090 IFU Swedish 1090 IFU Italian 1090 IFU Turkish 1090 IFU Serbian 1090 IFU Bosnian