Open rubber grommets used for anti-vibration purposes and industrial applications. Prevents chafing when passing cables and pipes through metal panels. Includes assorted sizes 2.5 x 10.5 x 6.5 to 16 x 29 x 7.5mm. Handy storage case with compartments. Open rubber grommets used for anti-vibration purposes and industrial applications. Prevents chafing when passing cables and pipes through metal panels. Includes assorted sizes 2.5 x 10.5 x 6.5 to 16 x 29 x 7.5mm. Handy storage case with compartments.