DescriptionIf you are looking for a professional rubber stopper hole puncher, then you must not miss product. Made of steel material, it is safe and durable. Our laboratory hole puncher is an excellent laboratory assistant, and very practical, perfect for school, laboratory to use.Features- Color: silver. - Material: steel. - Size:8.00X6.00X1.00cm/3.14X2.36X0.39inch.- Compact size and light weight, you can put it into your tool box or handbag.- Practical experiment fixing accessories, suitable for school, laboratory and other places to make experiments.- Specially designed for rubber plug on the experimental equipment to facilitate experimental gas extraction.- Made of steel materials, this puncher is durable and safe for a long time use.- With fine workmanship, not easy to wear and tear, with accurate force, very practical in use.