MCMASKE 240PCS OD 9mm ID 5.4mm ABS Plastic Black Round 5.4mm, black
OD 9mm/0.354″; ID 5.4mm/0.212″;Different Length:3mm/0.118″ to 25mm/0.098″. The clearance spacers are Not threaded for M5 screws;All products are made of abs Plastic,Strong,anticorrosive. No exceptions.