Features: Protect your DIN diving regulators with this dust caps, ensuring its reliability. Make of PA6 and fiberglass, the caps is resistant to wear and tear, and can bear exposure to saltwater and sunlight. Great for most beginner and experienced alike, this caps is a must accessory for anyone who own a DIN regulators. Whether you're planning a scubas diving trip or simply storing your equipment at homes, this caps will keep your regulators clean. With its sleeks design and simple to use functionality, this dust caps is the perfect addition to any gear bag. Specifications: Component: PA6 and fiberglass; reflective polyester rope Thread: 5/8-14NPS Size: about 34x32mm/1.34x1.26inch Package Includes: 1pc Dust caps note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.