ITEM NAME:2x Replacement Scuba Diving DIN Tank Valve Threaded Dust Plug Protector Cap 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!.2 Pieces DIN Tank Valve Dust Plug. Color may be slightly different since different monitor. Color: Black. Material: ABS. Height: Approx.