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Manfrotto R190,14 Locking Knob
Manfrotto R190,311 Knob Assy
Genuine Bogen Manfrotto knob assembly for the 055A, 055AB, 055BWB, 055CL, 055CLB, 055D, 055MFV, 055NAT2, 055NAT3, 055SSB, 055V, 055WNB, 144B, 190B, 190CL, 190CLB, 190D, 190DB, 190MFV, 190NAT, 190NAT2, 190NAT3, 190PRO, 190PROB, 190SSB, 190V, 290B, 290BWB, 290NAT3, 344B, 718B, 718SHB, 055DB, 755B, 756B, 108, 144, 190, 719B, 190SH, 290, 344, 055SS, 190CPKIT, 190SHB, and 190SS.. The knob assembly includes the knob, washer, and spring. Made by Manfrotto Italy.