Purpose and connection Designed for drip irrigation, this tool fits 1/4 inch connections and is used to pierce holes in polyethylene tubing for emitters and micro-sprinklers. The hole size is 4 mm / 0.12 inches, ensuring the connector and emitter install securely. How it works - Hold the body of the tool, clamp the tubing, and press gently until the tube is punctured. - The hole size is 4 mm / 0.12 in to provide a proper fit for connectors and emitters. - Place the connection in the tube, slide the tube along the slot, and push the connection part into the front cut hole for a precise assembly. Key benefits - Accurate hole size for reliable 1/4 inch fittings and emitters - Simple, controlled operation minimizes tube damage - Facilitates quick installation of drippers and micro-sprinklers into polyethylene pipes - Compatible with standard polyethylene irrigation tubing Use scenarios - Retrofit an existing garden irrigation line by adding emitters at planned locations - Install micro-sprinklers along a greenhouse irrigation loop - Lay out a new lawn irrigation run and insert drippers at regular intervals