https://www.polymerfasteners.com/en/insteeknippel-arp06-1652
ORION Quick release adaptor 3/8" male thread
ORION Quick release adaptor 3/8" male thread
quick release adaptororionmalethread
https://offcourse.bike/product/robert-axle-quick-release-hitch-adaptor-for-trailer-ada001/
Robert Axle Quick Release Hitch Adaptor for Trailer (ADA001) | Off Course Bike Shop Australia
QUICK RELEASE HITCH ADAPTER FOR TRAILERSRobert Axle QR Adapters for Kid Trailers and Cargo Trailers are designed specifically to fit your 5mm quick release...