Package includes 16Pcs 60mmx60mmx1mm/2.36"x2.36"x0.04" (L*W*T), 5mm/0.2" Mounting Hole Dia. 4 Holes Black flat T brackets and 64Pcs 4x16mm(D*L) screws. Made of Carbon Steel material, these mending metal plates are not easy to rust, stable and durable.