Main Function---The hole puncher is specially used for drilling holes on the rubber plug, which is convenient to carry out experiments to get gas.
and Easy to Use---Made of high quality stainless steel material, and long service life. The handle is long and comfortable to hold which is easy to operate.
Manual Punch---The punch must be perpendicular to the horizontal plane of the plug to avoid skewing the punched hole. Rotate in the same direction and cannot rotate back and forth.
Practical Experiment Fixing Accessories---Our laboratory hole puncher is a good laboratory assistant, and very practical, perfect for school, laboratory.
Quality Guarantee---We supply 1 year warranty, 30 days money back, 7x24 hours email support. If you have any problem, please don't hesitate to contact us, we will try our best to solve it for you.