Manual Rubber Stopper Perforator Punch Plug Hole Puncher Laboratory Drilling Tool

1.Made of high quality material, durable and long service life. 2.The handle is long and comfortable to hold which is easy to operate 3.Great workmanship and it can provide excellent performance 4.This manual hole puncher is a good helper for laboratory experiment 5.The hole puncher is specially used for drilling holes on the rubber plug, which is convenient to carry out experiments to get gas.