【Multipurpose】Rubber foot pads and foot spikes have two methods of use, perfect for indoor and outdoor shooting.Rubber pads can be used on a smooth surface, such as the floor, They prevent damage on floors and scratchable surfaces; 3/8" stainless steel spike allows the tripod leg or monopod to dig deep into surfaces to keep stable, such as on the snow, sand, etc. | 【Easy To Use】Simply screw it on to tripod and monopod legs via the 3/8"-16 threaded hole. There is a hole in the middle of the metal spikes, which can be easily locked or loosened with an L-shaped wrench. (Note: The silicone rubber cover can be easily removed after the spike are installed on a tripod.) | 【Non-Slip Rubber Feet】Made of silicone rubber for extra grip, it prevents tripods and monopods from moving and provides extra stability when shooting on smooth and uneven surfaces. | 【Strong Material】 The metal spikes feet are made of stainless steel material, which is anti-rust and more durable. The head of the stainless steel spike is tapered, Great for uneven terrain.【Wide Compatibility】Universal rubber feet and the stainless steel spikes replacements fit all universal tripods and monopods with a 3/8" mounting stud.