3 Legged Thing Clawz Sand/Snow Tripod Shoes for Tripods with 3/8 -16 Threads Clawz have a standard size 3/8"-16 thread, so they are compatible with most common tripod legs. Keep your tripod steady on rough terrains like ice, snow or sand Tough, stainless steel spikes that grip the ground Set of 3, including "O" rings for a snug secure fit to your tripod