Loop Loc Ultra Loc III Solid Safety Cover w Drains 16'6 x 35'6 Grecian w 3'6 x 7' Center End Step polaris vac sweep 280 Anchor Points 36 Cover Size SPX1615Z2MNS Anchor Points 36 Cover Size 21 6 x 37 6 + 4 x 10 Cover Type 15 Year Mesh Manufacturer Loop Loc Manufacturer Part # 377 Notes IMPORTANT LOOP LOC GREEN MESH GRECIAN WITH LEFT AND RIGHT SIDE STEP COVER STOCK SIZE INFORMATION: it supports large stockpots up to 62 quarts Exclusively From LOOP LOC: The Ultra Loc III® Solid Safety Cover Is Tougher than Tough Ultra Loc III SOLID Grecian with Center End Extension are manufactured with extra large pads and extended chafe wear strips to accommodate some variance in pool size