Manfrotto R420.90 Locking Lever for Manfrotto 420B Boom Stand RAM MOUNTS RAM-B-166-UN8U it can operate on one

it can operate on one of 14 channels and with up to 5 groups

allowing you to photograph with a wider aperture or longer shutter speed than normally required

and adjustable elbow

Vixen-Style Dovetail Plate & Cradle-Ring

A built-in volume control allows a listener to make adjustments without affecting others when listening at a group station

Manfrotto R420.90 Locking Lever for Manfrotto 420B Boom Stand RAM MOUNTS RAM-B-166-UN8U it can operate on oneSpare or Replacement Part The R420. 90 Locking Lever is the standard positioning lever which is included with the Manfrotto 420B Boom Stand. It is sold here as a spare or replacement part. UPC: 719821193975 Packaging Info Package Weight 0. 4 lb Box Dimensions (LxWxH) 5. 0 x 4. 0 x 0. 75" All product and company names are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by