Feature(may vary by option.)

●Premium Material --- The diving bottle made of high-quality aluminum alloy with rubber o-ring, which is wear-resistant and lightweight, anti-corrosion and high strength. It is durable to use and can maintain a long service life.
●EASY BUT IMPORTANT --- This keychain can save you a very expensive diving trip, as O-rings are one of the most common items to replace. All accessories store compactly in the small diving tank with a screw cap and can be clipped onto any dive bag or keys.
●3 Colors to Choose --- This mini cylinder storage bottle has 3 different colors available, you can choose according to your needs. Including 12 O-rings of the package, meeting your different demands.
●Package List---Aluminum Miniature Dive Cylinder with 12 O-Rings and Brass Dive Keyring. Two sizes of O-ring, each size has 6 pieces, suitable for most cylinder valves.
●Your satisfaction is our motivation---If you have any problems with the product during use, please feel to contact us. We will provide you with satisfactory solutions within 24 hours!

[Red]

[Silver Colour]

[Blue]

Description

Specification:
Condition: 100% new
Item Type: Diving Cylinder O-Rings
Material: natural rubber + aluminum alloy
Optional color: blue, silver, red
Bottle size: approx. 5.8 x 2.3 cm/2.3 x 0.9 inches
Thick O-ring - approx. 12.3mm/0.5" (inner diameter) x 2.62mm/0.1" (cable diameter)
Thin O-ring: approx. 12.5cm/4.9" (inner diameter) x 1.8cm/0.7" (cable diameter)

Packing List:
1 bottle of diving cylinder
12 O-rings

Note:
Please allow ±0.5cm error due to manual measurement. Thank you for your understanding.