Protect It R133 rack protectors are a unique product thanks to their section design. Yellow and Black parts are separate making replacement of damaged sections easy. Manufactured from advanced thermoplastic materials, the Protect It units are designed with energy-impact absorption being a key factor. Energy which usually passes into the rack upright is dissipated through the Protect It sections instead. Sold in boxes of 30, containing 75% yellow and 25% black, the units are 133mm high, so 3 units would do the job of other rack protectors, however this can vary to your requirement. The R133 fits the following racking upright: