ITEM NAME:Bulk 2 Universal DIN Tank Valve Threaded Dust Plug Protector Cap & Rope for Description: 2 Pieces scuba diving threaded dust plug protector caps for DIN valves work with either 200-bar or 300-bar DIN valve fittings With swivel attachment lanyard Lightweight, strong, portable and saltwater resistant The plug is vented so that the presence of high-pressure gas does not trap the plug and makes it difficult to remove Great replacement accessories for underwater scuba diving din first stage regulator Specification: Material: ABS Color: Black Size 1: Height: Approx. 2.8 cm/1.1 inch Outer Diameter: Approx. 2.7 cm/1.06 inch Thread Inner Diameter: Approx. 2.18 cm/0.86 inch Size 2: Height: Approx. 2.7 cm/1.1 inch Outer Diameter: Approx. 2.6 cm/1 inch Package Includes: 2 Pieces DIN Tank Valve Dust Plug Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks! SKU: ALU0014361819411620.2 Pieces DIN Tank Valve Dust Plug. Color may be slightly different since different monitor. Color: Black. Lightweight, strong, portable and saltwater resistant. Height: Approx.