Quick Shoe Plate With 1/4-Inch Camera Screw and Pin for Alloy Ball Head VANGUARD SBH&ndash;250 - SET OF 2 Quick shoes allow fast and easy mounting and removal of cameras on your tripod head This sliding adaptor mounts to the base of your camera for a simple one click attachment to your tripod Industrial grade aluminum construction, Grooved rubber pad provides traction+protects camera base The QS-39 fits Vanguard tripod models Tracker S, Trackers 1,2,3,4, Trackers B-100, B-200, Alta+234AB, Alta+264AB, MG-8 & MG-8OS and Vanguard Heads PH-35, PH-50, PH-55, SBH-30, SBH-50, SBH-100, SBH-200, and SBH-250 Keep one on all your cameras & camcorders