Fence panels rattling? Neighbours lifting panels up? Living along public alleyway? These brackets are easily fitted with the screws provided and prevent fence panels being lifted and make removal virtually impossible, and stop panels rattling in windy conditions. Made in our factories in the UK from 1mm thick galvanised steel which will not rust or corrode. Fit 4" x 4" wooden or concrete posts, PACKS OF 10, 20 screws are included in price.