The stainless steel replacement foot spikes can be screwed into the threaded 3/8 inch -16 holes at the ends of the tripod legs. These foot spikes allow the tripod legs to dig into soft terrain surfaces, providing a stable footing on softer, looser ground. The universal 3/8 inch -16 threaded stud on top enables compatibility with any brand that uses the standard 3/8 inch -16 thread. Compatible with standard 3/8 inch threaded tripod feet and monopod feet. Ideal for maintaining tripod stability on surfaces such as snow, sand, soft earth, gravel, and carpet. Secure the spike foot in place using a wrench. Color: silver. Material: stainless steel. Size: 80mm. Package Contents: 3 x Stainless Steel Tripod Foot Spikes. Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.