B1-130
Quarter turn with marking; Quarter turn railway version in conformity with RIC with marking
B1-140
Safety quarter turn with marking; Safety quater turn railway version in conformity with RIC
B1-150
Quarter turn with tube socket and marking
B1-160
Safety quarter turn without mask
B1-170
Quarter turn railway version in conformity with RIC
B1-180
Quarter turn railway version in conformity with RIC; Quarter turn railway