NEEWER Multi Functional Heavy Duty 2.5 inch Grip Head Swivel Holder Mounting Adapter for Light Stand, Extension Boom Arm and Other Photographic Equipment with 1/2,1/4,3/8,5/8 Mount (Black)

Connects an extension arm to a light stand; Holds the boom arm in place Enables to adjust the height and angle and gives you flexibility to position the equipment Accepts any accessory with a 1/2, 1/4, 3/8, 5/8-inch mounting stud or tubing Locks tight with less effort; Easy to set up and use Note: Grip head only; Light stand and boom arm are not included