Size : 12x12x1/2”F,14x14x1/2"F,15x15x3/8"F,15x15x1/2"F,16x16x1/2"F,18x18x1/2"F

18x18x3/4"F,22x22x1/2"F,22x22x3/4"F,28x28x1/2"F,28x28x3/4"F,28x28x1"F

Material : MS58, CW617N 

Standard : EN1254-1/BS864