2material, steel, length 4.310, 1st end diameter 2.250 and 2.250 long with 1.505 counterbore 2.000 long, 1 under- cut 1.620 and 0.120 wide, 1 undercut 0.880 diameter and 0.190 wide, 2nd end diameter 0.999 and 1.750 long with 0.203 hole through plus chamfers and radii