UniQ / C compatible. Fits the Q = BASE, Q = MOUNT, Q = MOUNT Mini QR units and the special designs with double-sided clamping. All Q = PLATES use the special safety pin which protects the plates against accidental slipping out. In addition, the plates feature rubber bands which provide an additional anti-twist protection. QPL Leveller. Double profile. With 1/4 "threaded screw. With integrated dragonfly. Dimensions: 39x155mm (1.5"x6.1). Weight: 145 g (5.1 oz)