These are M3 size Delrin machined countersunk washers (black). They offer sufficient strength while being made of resin, so they won't easily scratch the upper deck and provide a secure fit! Please use them in combination with M3 size countersunk screws. [6 pieces]
[Part Number / JAN Code]
・TP-34: 4571375386250 Smart Delrin Countersunk Washers
