STI-TO20,TEST OBJECT 0.75 IN DIAMETER
STI-TO24,TEST OBJECT 24 MM DIAMETER
STI-TO25,TEST OBJECT 1.0 IN DIAMETER
STI-TO30,TEST OBJECT 30 MM DIAMETER
STI-TO34,TEST OBJECT 34 MM DIAMETER
STI-TO40,TEST OBJECT 40 MM DIAMETER
STI-TO53,TEST OBJECT 53 MM DIAMETER
