Features: • 4" floating shelf bracket • Includes all hardware necessary to mount shelves • Designed for shelves 2" thick or more • Wood stud application • 2-piece design for easy installation • Bi-directional adjustment • Weight bearing capacity of up to 100 lbs per pair • 1-1/4" of wall plate height • 1/2" of arm diameter • 1-1/2" - 3-1/2" minimum to maximum shelf thickness