- Use the three movable card mouth to choose the best card position. - Adjust up and down movement card mouth to get the best width and intensity. - You can use self-tapping screws to fix on the table. - When installing the board, you should first put one side into the card mouth with a spring, pushing back and then put the other side into the activity card, fix the screws, then it can work. - size PCB up to 7cm |