Brass Rings Brackets & Accessories

ID: 12.7 mm to OD: 8.7 mm to Width: 1/2″ / 12.7 mm

ID: 19.66 to OD: 22.8 to Width: 11.3 to Wall: 1.57

ID: 21.26 to OD: 24.4 to Width: 11.2 to Wall: 1.57

M10 Thread