I have been buying these--> https://www.amazon.ca/Wiper-Refills-ASLAM-Windshield-Wipers/dp/B082NWW9DM/ref=sr_1_1?keywords=Wiper+Blade+Refills+6mm+for+ASLAM+Type+G%2FM+Windshield+Wipers%2C+28%22+Cut+to+Size%28Set+of+4%29&qid=1579924780&s=automotive&sr=1-1
They are 6mm inserts and fit the Model 3...