Highest quality best value heavy duty galvanised finish 50mm pitch double slot bracket. Fit these brackets together with the 50mm pitch double slot wall strips and fit shelves to 450mm depth using these brackets. See detail below featuring fixing through the brackets into the shelf for strength safety and security. Galvanised brackets and wall strips are very hard wearing and are rust resistant with the zinc Galvanised finish. Pitch is the measurement between the top of a slot in the wall upright to the top of the slot below.