« Previous page Studio Accessories : Tripod Heads : QR-1 : QR-1 Quick Release Unit The QR-1 is a Quick Release Set consisting of a holder that mounts to any tripod or studio stand with 3/8 mount and a quick release plate with 1/4" camera mount. Size of the camera plate: 55mm wide x 60 mm long Total height incl.camera plate: 23 mm   Related products:   QR-2 Camera Plate with 1/4" » Details QR-3 Camera Plate with 3/8" » Details HDRB Heavy Duty Reducer Bushing 3/8 > 1/4 » Details