Size : 12x1/2"F,14x3/8"F,14x1/2"F,15x3/8"F,15x1/2"F
15x3/4"F,16x1/2"F,16x3/4"F,18x1/2"F,18x3/4"F

Material : MS58, CW617N 

Standard : EN1254-1/BS864