Whitecap E-Z Push Up Cleat. Made of 316 stainless steel. Push down mechanism quickly and easily releases and locks cleats. Narrow silhouette will fit most gunwales. Positive lock mechanism eliminates rattling in open and closed position. Built in barbed drain holes. Welded stud design. 6-1/2" L x 3/4" W x 4-3/16" H.