In the few short years that the Magic Finger has been out in the market, it has become one of the most popular grip accessories of all time. The 5/8" pin attached to the ball joint pivots from -15deg. to +90deg. while the collar rotates 360 deg. All axis lock positively with the one locking handle. The stand mounting portion has an outside diameter of 1 1/8" to fit into a Junior Receiver, while the inside is bored to mount on a 5/8" pin.