Bogen Center Column Lock Knob

SKU:001529
Part #: R055,311
Part condition: USED
Substitute part: New R190,14 Knob with Spring, USED R190,14 Knob with Spring, USED R190,313 Knob , USED R055,311 Knob

This part also fits:3011N ver 2, 3011N ver 3, 3211N ver 1, 3211N ver 2, 3221WN ver 2