41MM TOW TRAILER HITCH RECEIVER LOCK KEY, COMPATIBLE WITH LAND ROVER LR3 / DISCOVERY 3 2005-2009 / DISCOVERY 4 2010-2012 & RANGE ROVER SPORT 2005-2012. BRAND NEW - GENUINE LAND ROVER PART NUMBER KNW500010 / 5H2217F894AA. New Lockable Handle with Key for Tow Ball - "Lock / Key". There are two types of the lock and key used on a same vehicle. This is the early type, Small, flat on back side. Please check the underside of the lock as this is where it will differ from the late type. NW500010 / 5H2217F894AA Retainer, Handle, Key Only Supplied With Handle Assy, Lockable ***** Models: Land Rover LR3 / Discovery 3 2005 to VIN 9A505991; Land Rover LR4 / Discovery 4 2010-2012 / (for 2013-2016 models see part KNW500020 large lock); Land Rover Range Rover Sport 2005-2012 to VIN 9A204235. ***** For late type lock and key kit (large) see part KNW500020.