Heavy duty stainless steel external corner brackets are designed to be attached to a brick or concrete wall. Fasten this bracket with stainless steel or nylon anchors. Suitable to use as an anchor point for shade sails that need to be attached to a home or building. A great option when putting up a shade sail in an Aussie backyard. Available in two sizes: 100x100mm and 250 x 250mm in AISI 304 or 316 grade stainless steel. AISI 304 stainless steel is very strong and rust resistant while AISI316 type stainless steel is corrosion resistant and so is better to use around pools and in marine environments. Please note that the product name measurements are in reference to the length of both arms while the width of the plate is 75mm. SIZE L A H CORNER MATERIAL PLATING 100 x 100mm 100 75 12.5 External Stainless Steel - 250 x 250mm 250 75 12.5 External Stainless Steel - Measurements are in mm.