NEW 1000 Grommets & 1000 Washers #2 Iron w Brass Finish 3/8" Size Grommet Set 1000 Grommets + 1000 Washers #2 ( 3/8") Size Made of Iron with Brass Finish Hole Size After Setting = 3/8"(9.5mm) Flange Diameter (Top of Grommet)=0.748"(19mm)