***** **********Best Quality Guranteed. *****1/4 thread works with all cameras and some video lights, monitors, and the mini tripod mount adapter provides more adjustability*****the Clamp fits all tubes, handlebars, tripods with max. size 1.3 inch in diameter*****Heavy duty aluminum alloy material ensure it strong and durable*****Rubber coated clamp ensure no skidding and spinning on handlebar even on super bump road*****Extra 90 degree adjustable and 360 degree rotatable ball adapter for perfect camera angle