(RCJ News) R3204SB from Futaba and Hot Items are here!
Description:
M4 Hex Screw Washer (Gunmetal/4PCS)
Wider seating surface securely fastens screws and effectively dresses up the appearance. (Gunmetal / 4pcs.) (For M4 cap screws and button cap screws with screw heads 7.8mm or smaller)