[High Quality] - crafted with premium steel plates and hot dip galvanized exterior finish, the corner brace have great load-bearing and rust proof performance. [Dimensions] - LxWxW(100x100x60mm, 4x4x2.36in), thickness: 2.8mm, 12Ga. [Versatile Use] - this corner brackets can be used for kinds of projects,such as corner shelf, wood connection, shed fixing, animal house construction...no matter indoor or outdoor use is practical. [Easy to Install] - this L brackets have pre-holes(not countersunk holes),used with wood screws or carrige bolts(if has slotted holes).(not included in package)