The UK Security Supplies 122mm Screw to Screw UPVC Door Handle Set has a high quality finish that has been Salt Spray Tested for over 240 Hours that will give you years of use and is quality tested over 50,000 operations ensuring you have will fit a long lasting and reliable Polished Brass door handle that will pass the test of time. Suitable to fit in coastal areas. Supplied with removable Spring Cassettes, meaning you are able to fit the Handles Sprung or Unsprung. The UPVC Door Handle are non-handed and can be fit to a left or right handed door. Whats in the Box? 1 Pair of Polished Chrome PVC Door Handle (1x Internal and 1x Enternal) 2x Spring Cassettes 1x Spindle 1x Long Fixing Screws 1x Short Fixing Screws (Supplied with long and short fixing screws to make fitting more convenient to avoid having to saw these down like other handle sets.) Crucial Measurements (Please check these match your existing handle before ordering) PZ (distance from the centre of the keyhole cut out to the centre of the spindle cut out): 92mm Screw to Screw: 122mm Backplate: 212mm x 34mm (Full measurements can be found in the line drawing in the images).