General description The 2pcs Drip Irrigation Hole Punch Tool Set is designed for efficient gardening and irrigation tasks. This professional-grade tool is perfect for creating holes in 16/20mm diameter PE pipes, allowing for easy insertion of drip irrigation accessories. Technical specifications Material: High quality plastic and metal Dimensions: Suitable for 16/20mm diameter pipes Punched hole size: 3mm (0.118in) Package dimensions: 22.2 x 13.49 x 5.51 cm Weight: 200 g Usage To use, slightly soften the pipe with a hair dryer at the desired piercing location. Hold the handle of the punch tool and squeeze gently until the pipe is pierced.