STABILITY: 50 lb cast‑iron round base helps prevent tipping and wobble when used with a patio table POLE FIT: Included stem holds 1.5 inch diameter market umbrella poles LOCKING STABILITY: Adjustable tightening knob secures the umbrella pole firmly in place to minimize movement DURABLE FINISH: Satin black, corrosion‑ and rust‑resistant finish pairs with many frames and stands up to outdoor conditions DIMENSIONS: Base 19.3 inch diameter x 2.8 inch H; stem sections 17.5 inch and 6.5 inch for clearance under tables; total weight about 50 lb Built for everyday outdoor dining, this 50 lb Classic round base from Treasure Garden delivers reliable stability for market umbrellas in a compact footprint. The cast‑iron construction and satin black finish complement a wide range of frames while resisting corrosion and rust in typical patio environments. Compatibility is straightforward: the included stem secures 1.5" diameter poles. If your frame uses a 2" pole, Treasure Garden offers an optional replacement stem that fits 2" (sold separately). For best results, pair this base with an outdoor table; it supports market canopies up to 9 ft when used with a dining table. For freestanding setups or windy areas, add weight or select a heavier base. Key dimensions make table placement simple: base diameter 19.3"; base height 2.8"; stem sections measure approximately 17.5" (full) and 6.5" (reduced) to clear varying table heights. This dependable, low‑profile stand is an easy upgrade for a neat, stable shade setup.