Mitutoyo Support Ring for concave surface of sphere (R13.5-R20) - 19BAA251
Support ring hollow spherical specim.
R13.5-20 HH-411 (D/DC impact devices)
for use with the Mitutoyo HH-411 Impact Type Portable Hardness Testing Unit
Support Ring - for concave surface of sphere (R13.5-R20)
