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: Accomodates beach umbrellas using thumbscrew tightening. Installs without tools.. Easy to use: Drill into sand or soft ground by turning the handles. Other uses: pole anchor for volleyball net, flag, tent, pet leash, kite, etc..