Silver Plated Traditional Boatswain's Pipe with Chain Our Silver Plated Boatswain's Pipe measures 4 7/8 inches (12.4 cm) long, and comes complete with a 35 inch (89cm) chain. The pipe has a traditional anchor design on both sides. The Silver Plated Traditional Boatswain's pipe with chain weighs 1.4 ounces (40 grams).