Precision Pipe Fit: Before purchasing, verify that the water pipe leak repair clamps are compatible with your water pipe dimensions to prevent mismatching. If the outer diameter of your pipe is 20mm, this repair clamp with an inner diameter ranging from 19mm to 21mm (0.73 to 0.76 inches) is an ideal choice. Quick Fix: The pipe repair kit includes two halves and eight pairs of bolts and nuts. Place the clamp over the pipe crack, join the halves, and tighten the bolts. This ensures even pressure distribution for simple and quick installation. Wide Use: Ideal for sudden pipe bursts or cracks, this clamp provides fast water leak control without requiring full pipe replacement. Suitable for cast iron, cement, PVC, and PE pipes. Quality Material: Made from high-quality PE material, the repair clamp is impact-resistant, crack-resistant, and designed to maintain integrity under high-pressure water flow for long-term leak protection. Customer Service: We prioritize customer satisfaction and offer reliable after-sales support. If you have any issues or questions, please . Color: Black Material: PE Package Contents: 1 x Pipe Repair Clamp Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3cm.