1.Easy to grip: the handle is made of durable plastic and non-corrosive material.  2.Tight fit: The punching size is 4mm, which can be closely fitted to eliminate waste and maintain proper pressure in the drip system. 3.Function: Pierce holes of suitable size to connect accessories and connectors.  4.Uses: Two-in-one dropper punch and 1/4 fitting insertion tool, used for piercing and perforating when installing the dropper and micro sprinkler in the polyethylene tube. 5.Easy to use: simply press the tool through the tubing and then remove the punch tool with a pre-punched hole left; Insert the fitting into the tubing, then slide the tubing according to the slot and push the fitting into pre-cut hole.