corresponds to the battery holder mounting hole . This product, whose main body is dyed black to create a sense of unity with the chassis and the gold ⚡SHIBATA⚡ logo stands out, can be expected to have various effects such as increasing the axle load and optimizing the cross weight. 〇Product details Dimensions (length x width)...57mm x 48mm Thickness...2mm Weight...Approx. 40g 〇Applicable car models All GRK (Can be fixed by co-tightening for cars equipped with our carbon chassis) (R31S071)GRK brass battery weight plate 〇Product description Compatible with battery holder mounting hole Brass battery weight plate. The main body is dyed black to create a sense of unity with the chassis. This product with the golden ⚡SHIBATA⚡ logo stands out. In addition to increasing the axle load, you can expect various effects such as optimizing the cross weight. 〇Product details Dimensions (length x width)…57mm x 48mm Thickness…2mm Weight…approx. 40g 〇Applicable car models All GRK (can be fixed by co-tightening on vehicles equipped with our carbon chassis)