About this item

20mm Ball Mount Adapter with Thumb 1/4"-20 Screw, Equipped with ARRI Locating Pins This 20mm ball to 1/4''-20 screw adapter is compatible with devices/mounts equipped with ARRI locating holes that designed for preventing unwanted twist. However, since the ARRI locating pins is retractable, the adapter can be used as a normal 1/4"-20 adapter as well Great for DIY your own 20 mm ball phone holder for Bulletpoit Dash Mount Arms Compatible with: - Any phone holder with ARRI locating holes - for ULANZI R101 1/4" Mount for MagSafe - for NEEWER Magnetic Phone Holder PA010 - for Leaplumin Magnetic Phone Holder - for DEKEENSTAR Magnetic Phone Holder - for Sirui Magnetic Phone Holder - for MINIFOCUS Magsafe Tripod Adapter - for VRIG MG-01 Magnetic Tripod Mount - for FOMOZER Magnetic Tripod Mount