Dock Edge Howell Dock Hardware Stationary Side Leg Holder Kit with 2 Side Leg Holders and 4 Backer Plates 2 - Heavy Duty Side Leg Holders 5" x 5" x 1/8" 4 - Back Plates: 5" x 5" x 1/8" Kit has 7/16" holes, Mounting: 3/8" x 2-1/2" (not included) Instruction plan is included For stationary dock