3 included, nickel finish fits the following:

AD-TR1
T-100N
T-100NS
T-100S
T-110S
YAH-203
YAH-203S
YCR-2310
YCR-2310(2)
YCR-2330
YCR-2330(2)
YCR-4330G
YFH-231
YFH-2310
YHR-301M
YHR-302M
YMP-201M
YMP-202M
YMP-203M
YMP-204M
YSL-354V(C.LAC.)
YSL-354V(G.LAC.)
YSL-354VS
YTR-01
YTR-01M
YTR-01MQ
YTR-01Q
YTR-1310
YTR-1320E
YTR-1320ES
YTR-1320S
YTR-1335
YTR-1335S
YTR-200AD
YTR-200ADM
YTR-2320
YTR-2320E
YTR-2335
YTR-2335M
YTR-2435
YTR-2435S
YTR-4320
YTR-4320E
YTR-4320EG
YTR-4320T
YTR-4335G
YTR-4420E
YTR-4435