Compatible with TRH/KDH200200 series high-ace standard/wide S-GL/DX leaf spring 2WD vehicles. Attach between shaft and leaf spring to lift shaft and lower down Down volume can be adjusted in 1 cm increments from 4 cm to 8 cm. Made of aluminum with 8 0.4 inch (1 cm) blocks, and 2 1.6 inch (4 cm) blocks. The U-bolt is 0.5 inch (13 mm) and comes in a set of 4. Bolts and nuts are also included. Depending on the amount of down there is a need to cut the U-bolt after installation. Please install it by a professional as we cannot support the installation or vehicle inspection. This product is a lower down for the rear only. If you want to lower the front, please purchase with the reinforced torsion bar sold separately. Although this product is brand new or unused product, it is an external product, so there may be some small scratches.