Tripod foot allows the tripod legs to penetrate deeply into soft surfaces and keep the tripod stable when photography on softer and looser surfaces such as snow and sand Simply screw it in and use it on your tripod, also can be used for digital camera, fill light, camping light, cellphone holder Standard: 1 / 4inch male thread, compatibles almost all of tripods and monopods, provides stability even in uneven terrain Tripod feet with 1 / 4inch threaded screws aluminum slip proof camera tripod ground feet replacement parts Aluminum Tripod Feet Replacement Parts for all 1 / 4inch thread mounted tripods and monopods