Luminous Letter Sign Raindrops Draining Hole Puncher DJP18020

Application: It is used for making tapered holes on the aluminum sheet or stainless steel sheet to drain the raindrops in the channel letter.
Suitable Material: stainless steel sheet, iron sheet, aluminum sheet, galvanized metal sheet...
Hole Shape:  tapered
Features: Making tapered holes to drain the raindrops easily, and keep the light in the channel letter.