I purchased and installed this once. The sound was too cohesive, and it wasn't to my liking, so I'm selling it. The screws and springs appear dirty because they are from the relic-processed guitar I use, but they are almost new screws and springs, so please understand. Bridge mounting screws are not included. Please understand that this is a used item. - Type: Bridge - Part Condition: New - Material: Metal - Number of Mounting Holes: 6 - Springs Included: Yes Thank you for looking.