About this item Heavy Duty Base Frame- TOCRETOARE poles base frame size is 5.5×5.5”x 12”, 12 inches deep, the superficial spray silver white powder, which has excellent elegant appearance, can wear resistance, corrosion,resistance, and rust resistance.esigned for comfort, convenience, and lasting performance All-Round Compatibility – Our reinforced concrete base frame can be used to various terrains, including soil, deck, concrete Easy Assembly – It arrives with 4 anchor bolts, 2 steel hoops, 16 nuts and 16 washers. can be easily installed by one person Kindly Note – Designed for compatibility with TOCRETOARE cement installation shade sail pole , ensuring exceptional support for your shade sail Reliable Service – If there is any operation or quality problem, we can provide solutions, We will solve your problem with in 24 hours