Mikes Spikes Beach Umbrella Anchor; Fishing Rod Holder features Mikes Spikes ''Driveweight Action'', which provides the easiest installation and strongest hold of any sand anchor available. - For sand use only! - Installs with one hand in 10 seconds. - Umbrella pole sits in anchor above sand, allowing user to comfortably stand underneath without stooping. - Rigid base with stabilizing fins provides ''Ultimate'' hold in sand. - Hi strength upper shaft provides ''Ultimate'' hold in wind. - Reel notch in top secures medium size fishing rods. - Carbon steel driveweight with durable powdercoat finish and protective hand guard ring. - Large ergonomic secure knob holds umbrella in place. - Lock pin secures driveweight when not in use. - Holds umbrella poles from 1-1/4'' to 1-1/2''. Umbrellas with poles less than 1-1/4'' are not recommended for the beach due to their emminent failure in moderate winds!