Use to puncture holes when installing drip emitters PE tubing. constructed of durable plastic and non-corrosive materials. Ensures properly sized holes to help reduce blowout of watering devices. The main practical applicable to vegetables, fruit trees, shrubs, nurseries, and other ground crop irrigation hose and PE opening Close fit: The pressure hole size is 16 mm , which fits tightly, eliminates waste and loss, and maintains proper pressure in the drip system Purpose: Used for piercing holes when installing drippers and mini sprinklers in polyethylene s Perfect hole size for connecting accessories and couplers Material: plastic colour: Blue Package Contents: 1 x Irrigation punch Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.