Straight Bolt-On Stake Pocket This Bolt-on Stake Pocket can be used with 2x4 lumber (trimmed to 3" ) or with steel stake posts Manufactured of 1/8" thick galvanized steel Four holes designed to accept 3/8" diameter bolts Overall Size: 3" wide x 2-1/2" high x 1-1/2" deep; Inside Dimensions: 3" x 1-1/2" ; Height: 2-1/2"; Steel: 1/8" Hot dipped galvanized; Hole Size: Accepts 3/8" diameter bolts