Clamp is 1.240" wide, machined with 1.00" pockets on both sides that a racer can mount a magnet in with a 10/24" thread. Currently there is one magnet in the clamp.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.