This pack of 4 wood to steel end of post adapters are designed to fit 2" (1 7/8" outer diameter) steel posts These wood fence to steel post adapters are 6" wide and fit securely to 2" x 4" wood boards Made from high-quality and durable galvanized steel to prevent rusting and be long-lasting These wood to steel adapters includes the setting screws to make sure the posts do not move when in place Easy to install Please Note: There is no such thing as a left or right side adapter. Simply flip the adapter so that the post holder is on the correct side for your installation needs Whether you are building a greenhouse or a fence, this set of four wood-to-steel adapters will be just what you need for your outdoor project. Made from durable and sturdy galvanized steel these adapters will not rust and are sure to last for the long haul. Created to fit 2" (1 7/8" outer diameter) metal posts as well as 2" x 4" wood boards and are each 6" long. These wood-to-steel post end of posts adapters each include setting screws so your fence or structure will be securely in place. Easy to install