Shaft Collar, System of Measurement Metric with Inch Bore, Bore Type Round, Bore Diameter 3/8 in, Bore Thread Size Not Applicable, Collar Outside Diameter 30 mm, Inside Height to Flat Not Applicable, Clearance Diameter 32.3 mm, Collar Width 8 mm, Collar Material Aluminum, Keyway Width Not Applicable, Collar Material Grade 2024, Keyway Depth Not Applicable, Thread Direction Not Applicable, Center to Lever Top Not Applicable, Collar Construction 2-Piece, Screw Material Alloy Steel
Wealpe Adhesive Helmet Mount Sticky Flat Curved 3M Mounts Compatible with GoPro Hero 8, 7, Max, Fusion, Hero (2018), 6, 5, 4, Session, 3+, 3, 2, 1 Cameras: Maxedbuy.com