The Manfrotto MSQ6PL Quick Release Plate for Q6 Top Lock System
is a 2.76" long sliding quick release plate compatible with 054 and 055
Q6 ball heads as well as the add-on Q6 quick release adapter for heads
without one. The 1/4"-20 camera screw is secured to the camera using the
fold-away D-ring, coin notch or an Allen wrench.