JYINCPED Stationary Dock Heavy Duty Side Leg Pipe Holder, Premium Dock Brackets Hardware for Floating Docks Building Bolts to the side of the wood floating dock frames to support a dock pipe leg, allowing the floating dock to smoothly slide up and down with the water levels and stabilize the dock on the lake. Premium Hardware for Dock Posts Constructed from marine grade standard hardware steel featuring solid, durable and rustproof to fit for the freshwater and marine environments. Welded onto a heavy duty 5" x 5" backer plate and sturdy enough to provide the long useful service for your floating docks. Specifications & Compatibility: Inner Diameter:2.1" Mounting holes: 7/16" Bracket length: 5" Bracket width: 5" 7/16" mounting holes for 3/8" carriage bolts (carriage bolts are included) Dock pipe holder fit for round dock leg pipe Accommodating various pipe sizes by side bracket set screws The industry standard calls the floating dock pipe size as 1.5? schedule 40 but the O.D. is actually 1 7/8? Easy to Use Pre-punched bolt patterns allows to easily install directly to the side of dock frame. Installed the dock side leg pipe holder in the wooden floating docks with four 3/8" carriage bolts (included). Loosen and tighten the set bolts with shoulder nut to adjust the height of the dock, allowing the dock float. Dock Heavy Duty Hardware for Building Floating Docks The Dock Outside Corner leg pipe holder fit the corner of the floating docks to stabilize your pier (ASIN: B0D47TS6FS ). Dock connector Hinges used for between-dock and shore-to-dock or ramp connections and not fit for individual dock sections (ASIN: B0D47VHP8J ). Dock foot plate provide stable support and prevent sinking down in the mud for docks and securely hold the dock leg pipe post pole foot (ASIN: B0F38NXVB5).