Pair of Stainless Steel Black Powder-Coated Tennis Court Posts with Stainless Steel Black Powder-coated Fittings has an Internal Winding Tennis Post System. Posts are made from 75mm x 2.5mm thick 450 grade high tensile galvanised SHS steel. Crinkle net tie system on the inside of each post. Posts are powder-coated in black but can be custom-coated to your colour requirements. Round poly sleeves included, also suits square galvanized sleeves as an optional extra. Can be fitted to a base plate to bolt directly onto the ground.