#1 Beach Umbrella Anchor, ITEMporia&reg; Beach Umbrella Sand Anchor Stand - Universal Sand Grabber Spike Auger Holder Each anchor measures:15 inches tall x 9.5 inches wide x 3 inches deep; Fits umbrellas with up to 1.5 inch pole diameters. Made from durable plastic material that is rated for outdoor use and is easy to maintain. No assembly required, simply drill the anchor into the ground by turning the handle and tighten your umbrella pole into the anchor by using the thumbscrew. Other uses: pole anchor for volleyball net, flag, tent, pet leash, kite, etc. 1 year replacement warranty & 60 days money back guarantee, buy with confidence!