This 2 - in - 1 drip irrigation tool kit is a must - have for your garden. The drip irrigation hole punch is designed for 16/20mm PE pipes, with a 4mm (0.16 in.) manganese - steel tip that's resistant to wear. To use, simply hold the handle and press to drill holes for nozzles. The 2 in 1 punch with a 4mm hole size ensures a tight fit, maintaining proper pressure. The irrigation plastic tube cutter, made of an aluminum - alloy shell and SK5 blades, can cut pipes smoothly. Its built - in spring makes cutting easy, and the safety lock on the handle allows for convenient storage. Ideal for yard watering, greenhouses, and more, this kit simplifies your drip - irrigation system installation and repair.