Sturdy and Durable - Made of high quality material, this punch is durable, stable and rust-proof. And the puncher has been polished so that it will not become dull and can be used for a long time. Size - Suitable for PE pipes with a diameter of 16/20/25 mm, punch holes of 3 mm (0.118 inches), proper size can ensure that the sprinklers can fit the tube perfectly to minimize waste. 2 in 1 Punch and Fitting Inserter - Our irrigation tool kit is suitable for both drip tubing punch and 1/4 fitting inserter, ergonomic design, easy to use. How to Use - Simply press the tool through the tube, then remove the punch tool with a pre-punched hole left; Insert the fitting into the tube, then slide the tube according to the slot and push the fitting into the pre-cut hole Package - You will receive 1 professional punch, 1 2-in-1 punch and accessory inserts. Good tools for gardening and irrigation, enough quantity for your daily use.