We are one-stop service and professional manufacturer of components for mounting system,these double socket arm and ball plat truck phone holder are speical for using in jeep wrangler，truck dash mount phone holder, tractor mobile phone mount. We have been developing a series products of 20mm ball/1 inch Ball Phone Mount Camera Equipment Mounting System, single/double/triple suction cup place one truck windshield/windscreen/window glass,drill mount base to truck dash, aluminum alloy 17mm 20mm 1 inch ball phone holder for 1 inch bar/tube/double B mounting arm. Carbon fiber or aluminum telescoping arm,square plate mount and aluminum 20mm ball phone mount can be printed logo for less MOQ 200pcs. Our agricultural mounts and industrial mounts are very popular in Germany, Canada, Australia, the United States and Qatar!