Oliasports Metal Beach Umbrella Anchor Stand Universal Sand Grabber Spike Auger Holder Made out of strong metal in order for it to withstand winds up to 60 MPH 14" Metal screw like spring ensures stability for your umbrella and a deeper dig 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.