PERFECTLY FIT: Concealed joist hanger fits perfectly on American standard 1.5" x 3.5" lumber.
STURDY MATERIAL: Heavy duty joist hanger bracket is made of Q235B steel, smooth look, coated with black powder to prevent rust and corrosion outdoor in all seasons and climates.
SPECIAL DESIGN: The holes on the concealed joist brackets are deliberately offset, you can put in one screw from each side without hitting the other screw, make it stronger.
WIDELY USE: Concealed-flange joist hanger brackets can be installed close to the end of the beam, swing, fence and handrail as a stable support kit. Perfect for indoor or outdoor usage, such as home, garden, barn etc, match your decor.
EASY INSTALLATION: Mounted with screws easily (NOTE: SCREWS NOT INCLUDED).
JOIST ACTUAL SIZE: 2"(L) x 1-4/5"(W) x 3-3/4"(H). Thickness: 3 mm. Two types of prepunched hole size: φ5 mm (6 pcs), φ8 mm (2 pcs)