[Rubber] I replaced old ones I had. Now it looks nice and clean. I still put a cloth between the upper one and the ceiling to make sure there are no marks left after I remove the auto poles.

[4 x 3.5 x 2.1"] Had I read the description of the varipole set I would have known these covers were already included and no need to buy a separate set. But that's on me.

[0.25 lb] This item does its job well. Perfect price to add on to my varipole system. Sticks to the pole nicely and doesn’t budge. I bought two for both poles and recommend buyers get these to go with your poles.

[Rubber] Fits in the bottom section of manfrotto autopoles, cheaper than the manfrotto alternative

[0.25 lb] It really does what it it suppose to do !

[Rubber] was a great help in setting up the varipoles.

[0.25 lb] Makes setting up your poles very easy.

[Rubber] I use my varipoles daily, and move them often. One struggle with that is keeping the poles level. I used a small handheld level for a long time, but it was always a clumsy operation. While I wouldn't mind if these were a tad bit cheaper in cost, they simplify and reduce time in my small studio workflow to a great extent. I recommend them.

[4 x 3.5 x 2.1"] The bubble level is easy to read. The leveler holds onto the pole by the rubber cord. The tension of the cord is sufficient to keep the leveler in place. I have piece of mind that each of my Varipoles are straight and that the foot on each end is applying pressure equally across them. This is easy and simple to connect it to a pole. It's made of light plastic with the rubber cord that wraps around the pole. It's construction is more than sufficient to serve the purpose of helping you to level your varipole.

[4 x 3.5 x 2.1"] An intelligently-designed little bugger that helps you level a camera at the top of a pole. It would also be useful for installing lightbulbs in ceilings with long poles. How many pole workers does it take to screw in a lightbulb?. Answer: just one, with one of these devices.