The opening of each slotted jack pad is 0.378", depth is 0.642", wide by 2.992" in length;.
Large Slotted Universal Magnetic Jack Pad Pinch Weld Rail Adapter Aluminum
2X Slotted Universal Magnetic Jack Pad Pinch Weld Frame Rail Adapter Orange
2pcs Slotted Universal Magnetic JackPad Weld Frame Rail Adapter Orange
