* [Multiple Size] - 18 different sizes o-ring, 270 pieces
* [Durable] - Made of fluorine rubber which has heat, fuel, and chemical resistance.
* [Applications] - Prevent leaks in plumbing, machinery, hydraulic, and pneumatic repairs
Inner diameter:6mm-30mm; thickness:1.9mm,2.4mm,3.1mm
* [Temperature Range] - Can be used across a wide temperature range from -15 degrees F(-26 degrees C) to 400 degrees F(205 degrees C).