Qinmorelixy Heavy Duty Patio Umbrella Clamp, Steel Umbrella Stand Holder with 360° Rotatable, No Tool Installation for Square Balcony Railing Fence Post Bleachers Tailgates Outdoor Deck

["Upgraded 3.1 Lbs Heavy Duty Steel : Made of high-quality alloy steel with smooth white powder coating, 3.1 lbs weight for super stability, rust & weather resistant, no deformation after long-term outdoor use","360° Rotatable & Universal Fit : 360 degree free rotation for flexible shade angle adjustment; fits parasol poles 1-1.5 inches in diameter, clamp opening max 4.6 inches for square/rectangular railings/fence posts","No Tool Quick Installation : Easy set-up and release in 1 minute, just turn the 2 thumbscrews to adjust the clamp width and pole diameter, firm fixation without slipping for outdoor use","Space-Saving Compact Design : Small size takes minimal space, perfect for balcony, deck, patio; no bulky base, free up space for plants and outdoor entertaining","Multi-Scene Outdoor Use : Widely attach to bleachers, benches, tailgates, boats, pool decks and fence posts, ideal for fishing, camping, BBQ, sports games and all outdoor activities"]