Tiller Lock BoxThis inexpensive product turns any boat with a ball-grip ForesparA(R) tiller extension into a boat with a simple, effective and adjustable tiller lock. Install one into your cockpit coaming and you have it in minutes. Cut-out dimensions: 3-3/8"w X 4-3/4"h X 1-1/2"d. Specifications: Type: Tiller Box Dimensions: 2"H x 5"W x 8"L WT: 0.2 lbs UPC: 028026113429 .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }