Precision Scientific Ring,Shouldered,2010C2/2021C2 Replacement Part 250010

1005, 1005C, 1005SD, 1010, 1010SD, 1015, 1015SD, 1021, 1021SD, 2005, 2005C, 2005C1, 2005C2, 2005CP, 2005I, 2005SD, 2010, 2010C, 2010C1, 2010C2, 2010CP, 2010I, 2010SD, 2015, 2015C, 2015C1, 2015C2, 2015CP, 2015I, 2015SD, 2021, 2021C, 2021C1, 2021C2, 2021CP, 2021I, 2021SD, CD-201, CD-301, CD-451, CD-91, CP-201, CP-301, CP-451, DD-200, DD-300, DD-400, P-100, P-200, P-300, P-420, PC-100, PC-200, PC-300, PC-420, PCX-100, PCX-200, PCX-300, PCX-420, PX-100, PX-200, PX-300, PX-420, SD-201, SD-301, SD-451, SD-91