Drill bushing, DIN 172 Mild steel. Rounded top. IDxODxH: 12.2x22x16 mm, Kipp, Mfr#: K1022.A1220X16$12.75+
Drill bushing, DIN 179 Mild steel. Rounded both. IDxODxH: 3.4x7x8 mm, Kipp, Mfr#: K1021.B0340X08$6.15+