Frankford Umbrellas Concrete Umbrella Base is perfect for anchoring your patio umbrella. The 50 lb resin coated, concrete filled Patio Umbrella Stand is sturdy enough for commercial use or your busy backyard. This umbrella stand is suitable for use with 6 to 7.5 ft. umbrellas, holds a 1.5 in. diameter pole with a thumb screw that will keep the umbrella firmly in place and weighs 50 pounds. Available in black, bronze or white resin coated finish. It is for use with patio tables only and not designed for freestanding use. Also available in 70 lb version 22-68478 that will hold free standing umbrellas.