With a few hefty twists, the PlayStar Port Side Commercial-Grade Dock Auger works itself into the lake bottom, which gives your boat dock maximum stability for years to come. This piece quickly and easily anchors to a 1-5/8" or 1-7/8" diameter dock pipe. The PlayStar Port Side Commercial Grade Dock Auger has been made with a marine-grade, hot-dipped, galvanized finish, and it has been extensively tested to withstand outdoor elements and more. Includes bolt to secure it to dock pipe. 8"L x 3"W. Gives your boat dock maximum stability for years Anchors to a 1-5/8" or 1-7/8" diameter dock pipe Marine-grade, hot-dipped, galvanized finish Includes connector bolt Extensively tested