Mike's Spikes Beach Umbrella Anchor Holds umbrella poles from 1" to 1-1/2". Dimensions - 27" x 3-3/8". Installs with one hand in less than 30 seconds by both men and women of all ages. Umbrella pole sits in anchor level with sand, allowing user full height of umbrella (no more stooping) Carbon steel driveweight with durable powdercoat finish and protective hand guard ring.