A set of 4 long shackles such as JA11 gym knees. Compatible with Suzuki Jimney JA11/JA71/SJ30. This is a set of 4 steel shackles. Shackle extends further to ensure traction when the leaf is extended. 2.4 inches (60 mm) between plates and 3.9 inches (100 mm) between pins. The board is 0.4 inch (10 mm) thick, so you can use it with We also recommend replacing it as a dress up from the rusty factory The nut uses a double nut to make it easier to adjust the stretching of the shackle. Urethane sheets are not included. Although this product is brand new or unused product, it is an external product, so there may be some scratches on shipping. Thank you for your understanding.