The opening of each slotted jack pad is 0.378", depth is 0.642", wide by 2.992" in length.
Universal Jack 2pcs Magnetic Jack Pad Pinch Weld Frame Rail Adapter Blue
4x Trolley Jack Pad Pinch Weld Floor Jacking Lifting Puck Classic Adapter Rubber
Jack Pad Pinch Weld Floor Jacking Lift Adapter For VW For Golf R GTI For AUDI A3
4x Trolley Jack Pad Pinch Weld Floor Jacking Lifting Adapter Classic Puck Rubber
2× Blue Aluminum Slotted Magnetic Jack Pad Pinch Weld Frame Rail Adapter
Red Slotted Universal Magnetic Jack Pad Pinch Weld Frame Rail Adapter (PAIR)