Pickup Height screws are Imperial/USA thread which can fit most (not all) Gibson/EMG/Seymour Duncan or Dimarzio Pickups 4 Pickup Height Screws Dimension: 32mm(total length including head) x 2.45mm(thread diameter); 8 Pickup Frame Screws Dimension: 17.6mm(total length including head) x 2.5mm(thread diameter); Pickup Springs Dimenison: 26mm(Length) x 4.7mm(Outer diameter) x 3.3mm(Inner diameter) Due to the wide variety of pickups and screws in the market,please be sure to verify the dimensions carefully before you order the item; We can not promise these screws would fit all the Gibson/EMG/Seymour Duncan or Dimarzio Pickups Important Note: Please be sure to confirm the thread type of your pickups before you order the item, you may not be able to find the correct screws if you don’t know the thread type of your pickups These are just after market pickup screws, so the screws and springs may not be exact same with your original screws and springs; We only produce quality guitar parts and accessoroies, we don’t make inferior parts or accessoroies Guitar humbucker screws and springs