Oliasports Beach Umbrella Rust Free Plastic No Metal Sand Anchor Stand, Large Each anchor measures: 14.7 inches x 7 inches x 2.5 inches Fits umbrellas with pole diameter of up to 1.5 inch and 13.5 inches deep Easy to use: accommodates beach umbrellas using thumbscrew tightening. Installs without tools Drill into sand or soft ground by turning the handles Other uses: pole anchor for volleyball net, flag, tent, pet leash, kite, etc