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 time by almost 100 percent 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
Widely Compatibility: compatible with most polar scopes with cylindrical eyepiece that has the height greater than 23.5mm and a diameter between 23.5 and 30mm; which also can fit onto the polar finder of most common mounts
Upgraded Screw Design: equipped with three thumbscrews; and its knurled thread design and smooth bottom design make it easier to secure the viewer to your mount's polar scope; while providing better protection for the connected object