Features: These pads are sold in sets of 3 (one for each tripod leg) and fits under most tripod feet and works on any surface, dampens out tripod vibrations from the wind or from touching the scope. These pads are designed to reduce vibration for time by almost and decrease vibration amplitude when placed under each of your tripod legs, prevents dirty tripod feet. Makes observing possible when located near to roads, stops the tripod's feet sinking into softer surfaces. Ideally suitable for astronomy, nature observations, photography and much more. Reduces the oscillation for time for the for image to settle down and stop shaking and muffles the strength of oscillations. In future, save yourself the annoyance of shaky images and get yourself some real help for frustration-free observing and astrophotography. Specifications: Material: Rubber Diameter: Approx. 78mm/3.07 inches Thickness: 26mm Package Includes: 3 Pieces Anti Vibration Tripod Foot Pads note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.