2x6 Joist Hanger: The joist hangers for pressure treated lumber is made to be installed from joist to header in wood-framed buildings with roofs, decks, floors, deck and ceilings. Creating a stronger, long-lasting joist-to-header connection. : Speed prongs on this 2x6 floor joist support brackets temporarily position and secure the connector to facilitate and quick installation of screws. materials: Hurricane clips for rafters are made from gauge galvanized steel in order to increase rust and resistance,extended deck joists service life. Colour:Silver Material:steel Size:12.4x9.7cm Package Contents: 30 x Joist Hanger Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.