For self type
- It may be punched directly to the required position enclosed pin of two type(O, ㅡ).
How to use :
- First install the hose, stand to the side and punching in the appropriate position. (when you drill a hole, holding as much as the pin to enter, poke in to the hose quickly.)
※ Please see the video image.
※ Using a sharp tool(pin or needle) for drilling hole the hose.