The opening of each slotted jack pad is 0.378", depth is 0.642", wide by 2.992" in length;.
2Pcs Universal Premium Slotted Jack Pad Pinch Weld Frame Rail Adapter Black
2Pcs Universal Slotted Magnetic Jack Pad Pinch Weld Frame Rail Adapter
2pcs Universal Slotted Magnetic Jack Pad Pinch Weld Frame Rail Adapter Red
2pcs Universal Slotted Magnetic Jack Pad Pinch Weld Rail Adapter Orange
2pcs Universal Slotted Magnetic Jack Pad Pinch Weld Frame Rail Adapter Blue