Ronstan’s PNP rope clips are designed to hold lines and halyards in place and out of the way while not in use. When deploying the line or halyard the tension in the line will pull it free from the clip.This handy device Ideal for spinnaker and topping lift applications.The clips are made from UV stavilized nylon, so they will last for years without hardening.This Cable Tie version of the PNP Rope Clips is designed to be attached to a shroud base, mast base, stanchion, or bow pulpit using two cable ties. Use black, UV stabilized ties. PNP577-2 Rope Size 5-10mmPNP579-2 Rope Size 8-14mm Sold as pair,.