Specifications:
Product Name: Rubber Wiring Grommet
Inner Diameter: 8mm/0.31"
Outer Diameter: 13mm/0.51"
Mount Diameter: 9.5mm/0.37"
Thickness: 7mm/0.28"
Materials: Rubber
Color: Clear
Net Weight: 20g
Package Content: 50 (±2%) x Rubber Wiring Grommets

Description:
These grommets are used to protect cables or pipes passing through metal panels.
They can be produced in many different types of rubber, for various industrial and anti-vibration purposes.