PLS Bagged & Header Carded 1 x Caraloc 640 Complete Left Hand. Complete Exterior Door Lock including MC Barrel & 2 Keys. Please Note. You need a Left Hand Lock if the hinges on your Caravan or Motorhome Door are on the Left hand side when looking from outside of the Caravan or Motorhome. Available Seperately. Replacement Barrel & Keys A1058.