Grifiti Nootle Magnetic Foot 1/4 20 Threaded for Mini Ball Heads, Pan Heads, iPad Tripod Mounts, Cameras, iPhone Holders, Brackets, Music Stands, and Photography Light Stands AWESOME Grifiti Nootle Magnetic Foot 1/4 20 threaded! These are great for Mini ball heads, Nootle iPad Mounts, Smartphone mounts, and cameras! This magnetic foot lets you turn any mini ball head into a magnetic stand! heavy duty magnet supports our mini ball head, Giotto mini ball heads, and more. Attaches to any magnetic surface to hold your camera, iPad or iPhone steady while shooting videos or photos Easily handles lightweight cameras and video cameras. Top mount thread is 1/4-20 thread and base is 3/8th-20 thread but we include a 3/8 to 1/4 reducer with the unit. Check out our other products that use this Nootle magnetic foot: Nootle mini ball head, ipad iPad (2,3, and 4) Stand, and Nootle iPad mini Stand