2pcs Pro-bolt aluminum camera valve cap

The caps are like aluminum caps only . The kit includes sealing rubber bands and a tube with 5 ml of aluminum corrosion protection.

Safer than plastic. more resistant to rust than steel. Plastic is easy to pull , they will fly off, the nipple will clog with dirt . Electroplating is good, long retain the appearance of the product.

conventional caps on the nipple. different colors, which is a big plus, you can order a color and it is convenient to find it when you need to pump up the wheels or lower them. there are elastic bands, hold well, do not Unscrew

Standard such caps of the camera, are wound on a nipple. Essentially universal. Protect the nipple from dust, dirt and moisture. If someone wants more individuality-you can put some bright color instead of stock.