Easy to use: Simply press the drip irrigation tube button through the pipe, then remove the punch tool with pre-drilled holes; Insert the seal into the tubing, then slide the tube and push the seal into the hole in the front edge Compact and durable: the irrigation insertion tool drip is light and robust, has a long service life and is very practical and easy to use Application: The drip tube hole puncher and 1/4 joint insert tool are very suitable for punching and puncturing the dropper and micro-sprinkler in the polyethylene pipe. Material: The black 2 in 1 irrigation hole drill bit is mainly made of metal with anti-rust coating, non-corrosive and durable. The handle is made of durable plastic, which is strong and durable Size: The punching size is about 4mm. The proper size can ensure the proper pressure in the drip irrigation system and the irrigation puncture tool will not waste your materials. Features: Color: blue Material: alloy steel drill bit Size: 0.16 inch Drilling Diameter Scope of application: punch the holes on the main PE pipe to insert the micro drip sprinkler Package including: Irrigation hole 1 * 2-in-1 Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2cm difference due to manual measurement.