Rubber Grommet, Style 1, Inside Dia. (A) 1/4 in, Outside Dia. (B) 5/8 in, Overall Thickness (C) 1/4 in, Panel Thickness (D) 1/8 in, Panel Hole Dia. (E) 7/16 in, Outside Dia. (F) -, Rubber Material Buna-N, MS 35489 Number 35, AN 931 Number A4-7, Rubber Color Black, Min. Temp. (F) -35 Degrees F, Max. Temp. (F) 225 Degrees F, Durometer 50A, Elongation 300 Percent, Tensile Strength (PSI) 870 psi, Standards ASTM D2000 2BG506, Oil , Package Quantity 50