Pair of Polished Chrome Victorian Scroll Bathroom Door Handles + 2 1/2" (64mm) Bathroom Lock Backplate Approx. 150mm x 40mm THESE SPRUNG HANDLES COME COMPLETE WITH Thumb & Turn 5mm Spindle Mechanism Spindle & Screws BATHROOM LOCK BATHROOM MORTICE DOOR LOCKS COME WITH REVERSIBLE LATCHES THIS MEANS THAT THE LATCH BOLT CAN BE USED FOR LEFT OR RIGHT HUNG DOORS. THE LOCK COMES COMPLETE WITH STRIKER PLATE & SCREWS The 64mm Lock has a 44mm Backset(THE BACKSET IS THE DISTANCE FROM THE EDGE OF THE LOCK TO THE CENTRE OF THE SPINDLE) THERE IS A TOP SQUARE HOLE (CALLED THE TOP FOLLOWER) WHICH THE 8MM SQUARE SPINDLE (SQUARE METAL ROD) FROM THE BATHROOM HANDLES WILL GO THROUGH. THERE IS A LOWER SQUARE HOLE(CALLED THE LOWER FOLLOWER) WHICH ENABLES THE 5MM SQUARE SPINDLE ON THE BATHROOM THUMB AND TURN TO GO THROUGH.