1.MULTIPLE HOLE SIZESThis set includes a double-headed mountain punch that creates 4mm (0.16") and 3mm (0.12") holes, along with separate single-head punches for precise 4mm and 8mm (0.31") openings. It provides all the sizes needed for various drip irrigation tubing and emitter installations. 2.EFFICIENT IRRIGATION INSTALLATIONSpecifically designed for punching holes in PE pipes and capillary tubes, this tool set is essential for installing drip emitters, micro sprinklers, and other irrigation fittings. It ensures clean, precise holes, facilitating a watertight connection and optimizing water flow in your garden system. 3.COMPACT AND PORTABLEThe double-headed punch measures approximately 105mm * 65mm (4.1" x 2.6"). The 4mm and 8mm single-head punches are about 130mm * 9mm (5.1" x 0.35") each. These compact sizes make the tools easy to handle and store, allowing you to carry them conveniently for any irrigation project. 4.ERGONOMIC AND SOLID CONSTRUCTIONCrafted from high-quality POM and PP materials for the main bodies, these tools are built for strength and long-lasting use. The punch heads are made of sturdy steel, ensuring they stay sharp and effective. The single-head punches feature ergonomic handles for a comfortable grip and easy operation. 5.COMPLETE PUNCH TOOL SETThe package includes one double-headed mountainpunch, one 4mm single-head punch, and one 8mm single-head punch. This versatile set provides comprehensive punching solutions for different tubing diameters, making your irrigation setup efficient and precise Package list 1* Hose Punch