Pentair 23302 Paragon QuickSet Dual-Wedge Anchor: Constructed of heavy duty T304 stainless steel, a combination of the patented taper lock base and dual acting wedge design eliminates front-to-back and side-to-side movement. Dual-Wedge Assembly has an integral adjusting knob which is easily turned by hand to install and remove the platform without the need for tools. Self-contained wedge assembly, readily removable and stored within the anchor when not in use. Anchor cover included.