Check the listing for details. SmallRig Swing-Away Support for Matte Box. Color: Black, Condition: New. Listed at 52.35 USD. Overhaul your lens-changing workflow with the SmallRig Swing-Away Support for Matte Box 4414, expertly crafted for photographers and videographers who demand efficiency and precision. Designed with a top opening, the SmallRig Swing-Away Support allows for effortless upward installation, ensuring smooth operation alongside 15mm dual rods.