Sold in Set of 4.
Use these Anodized washers for dressing up socket head M4 screws. These anodized M4 washers are often used with screws in Alphacool, Aquacomputer, Magicool, Phoyba, and Watercool brand PC Radiators.
M4 thread fits Koolance, Hardware Labs, Cool-It, Coolgate, Swiftech PC watercooling radiators and radiator fan grills.