3" x 6", 18 gauge, steel double post & column bases, secure the bottom of posts or columns to concrete & are perfect for decks or patio covers, allows for the connection of two 2 x 2 to 4 x 4 post or three 2 x 2's to a 6 x 6 post, double shear nailing between beam & post gives added strength, provides positive connection for a post to a wood deck, zmax galvanized, reduces the chance of the post splitting & eliminates nailing into end grain, install with 16d common nails.