finished with a faceted hex stud to keep lighting fixtures in position when placed on the end of the arm
This also reduces cable strain when compared to straight connectors
This aluminum base offers maximum strength so that the rings will hold tight
Quick-release clamp design on the central column for quick and easy setup
Manfrotto R4190,22 Wedge Knob for Select Ball Heads Hoya A-7725A-GB finished with a faceted hexSpare or Replacement Part This Manfrotto R4190,22 Wedge Knob is a spare or replacement part for select ball heads. Compatible Ball Heads MH054M0, MH054M0 Q2, MH054M0 Q2B, MH054M0 Q5, MH054M0 Q6, MH055M0, MH055M0 Q2, MH055M0 Q5, MH055M0 Q6, MH055M0 RC4, MH057M0, MH057M0 Q5, MH057M0 Q6, and MH057M0 RC4 Packaging Info Package Weight 0. 3 lb Box Dimensions (LxWxH) 1. 6 x 1. 5 x 0. 06" All product and company names are trademarks or registered trademarks