10 Pcs 57mm x 3.1mm Black Silicone O Rings Oil Seals Gaskets

Specification:

Product Name O Ring Material Silicone Outside Diameter 63.2mm/ 2.49" Inner Diameter 57mm / 2.24" Thickness 3.1mm/ 0.122" Color Black Weight 18g Package Content 10 x Silicone O Ring Description:

• Silicone supports a wide range of temperatures and has excellent resistance to weathering and ozone.
• It fits for vacuum tube to stop noise and rattle of the tube. Made of silicon and not get hot and burn up.