C.E. Smith Flex Keel Pad - Full Cap Style - 12" x 3" - Blue. Edge cover style mounts on the trailing edge of any width cross member or axle. Features of C.E. Smith Flex Keel Pad Black poly material 10" L x 1-1/2" W 3/8" thick 4-1/2" hole centers Mount using two rivets or screws through the top (hardware not included). Package Contents: C.E. Smith Flex Keel Pad C.E. Smith 16873: Flex Keel Pad - Full Cap Style - 12" x 3" - Blue