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Function: 1 O-rings in two sizes Each size has 6 pieces, suitable for most cylinder valves.
2. Aluminum alloy bottle, rust resistant, fashion appearance, compact and portable.
3 Miniature aluminum diving cylinder with 12 o-rings and brass pick-diving key chain
4 3 different colors for you to choose according to your needs.
5 Includes 12 O-rings in the package to meet different demands.

Specifications:
Condition: 100% Brand New
> Item Type: Diving Cylinder O-Ring
Material: Natural rubber + aluminum alloy
Optional Color: Blue, Silver, Red
Bottle size: approx. 5.8 x 2.2cm/2.3 x 0.9in
Thick O-Ring: About 12.37mm / 0.5in (12.37mm) / 0.1in (2.62mm) / 0.1in (wire diameter)
Slim O-Ring: Approx. 4.9 inches (12.42 cm) / 4.9 inches (1.78 cm) / 0.7 inches (0.7 cm) (wire diameter)