... paint or polish ; easy to install; remarkable appearance; various plate thickness; a wide selection of hole size and arrangement; good ... holes round ends, square hole , Slot holes , Slot round holes , Triangle hole , scale hole , Slot bridge perforation , diamond hole , pentagon ... , mini hole , other holes brass perforated metal specificationround hole plate thickness 0.3-6.0mmhole size 1.0-40.0mmpitch ...