Hinge Pin Extractor Kit 313298An essential tool set used for safe and accurate installation and removal of hinge pins Kit includes 3 different size hinge pins 3 x 110mm, 5 x 110mm, 5. 5 x 110mm) Simple to use 1. Choose the correct punch for the door hinge 2. Remove the threaded end cap 3. Slide the punch upwards through the hinge and reattach end cap 4. Fit the slotted end of the cranked handle onto the punch and tap gently with a mallet to extract draw out the pin