Manfrotto 234RC monopod Quick Release Plate Kit for tilt 90 ° Maximum load: 2.5kg (Electronics)
It's a good ball, solid and probably not move in time. The tightening is effective. Note, unlike my Manfrotto 494RC2, security can remain unkempt. Some find it and perhaps other annoying. Anyway I would like to know to buy. The plate is identical to