4' Crossarm

This standard crossarm spans the width of each dock section, bolting securely to the frame and providing a sturdy mounting solution for the support pipes. Its full-span design reduces sway and enhances the overall strength and stability of each dock frame. Made from 100% aluminum with zinc-coated set bolts, these crossarms offer long-lasting durability against Michigan’s weather conditions. Available in multiple sizes and customizable to any width, they deliver a perfect fit for your dock system. True ID of 4' Crossarm is 48.5".
 
Need even more strength? Take a look at our Heavy Duty Crossarm.