High Quality: Artpuch shade hardware is made of high quality 304 marine grade stainless steel which is especially suitable for the rectangle and square shade sail for outdoor use Including: Artpuch shade sail hardware kit has the standard size of turnbuckle x 2pcs, Pad eye x 4pcs, Snap Hook x 2pcs, Screw x 16pcs, Plastic expansion x 16pcs, which can make it easy to install rectangle shade sail Perfect Design: The plastic expansions of Artpuch hardware kit help the screws be attached to the wall or billboard stronger and make the rectangle shade sail to be sturdy enough to hold up in a high wind area. And the turnbuckles can no doubt create tension meeting your needs perfectly Suitable Situation:Artpuch 5 inches hardware kit can help rectangle shade sail be attached to any concrete wallbillboard or other structure. And the hardware can also help shade sail be sturdy in extreme weather Suitable Shade Sail: Great fit for installing rectangle shade sail below 20/215 sq.ft, such as 7'x13', 8'x10', 10' x 10', 10'x13', 12'x12', 12'x16'