C.S.Osborne & Co. No. SS-0. Made in the USA . CNC machined from high grade tool steel, Properly machined and hardened.
No. SS-0 sets size 0 grommets. Size 0 grommets have a 1/4" diameter hole when set in, 0.546" out side diameter, and 0.175" Length under flange . Hole punch not included
. Grommet dies and cutters should be used with an Osborne rawhide hammer or wooden mallet, not with a steel hammer. We recommend C.S.Osborne & Co. No. 395 rawhide hammers for this purpose. Mallet Not Included.