This is a bracket for installing 16cm speakers in the front of a JB64 Jimny or JB74 Sierra. * Compatible with aftermarket 16cm speakers. Set of left and right. * Includes mounting bolts. * Installation of Carrozzeria TS-F1640 has been confirmed. Although the dimensions appear to be the same for major domestic manufacturers, this has not been confirmed. ● Material PLA+ ※ Higher strength, rigidity, impact resistance, and heat resistance than PLA ※ No worries about moisture absorption like MDF ● Dimensions Inner diameter: φ132 Outer diameter: φ160 Thickness: 18mm PCD: φ150 ● Installation Instructions ① Install the bracket on the vehicle side as shown in the second photo. ※ Includes M6 bolts, washers, and nuts (3 each) ◎ To prevent loosening of the screws due to long-term use, it is recommended to use thread-locking adhesive on the nuts. (Available on Amazon for around 200 yen) Speakers are not included. ② Screw the speaker to the bracket. ※ Includes tapping bolts and washers (4 each) We also sell brackets for relocating the removed original speakers to the rear. Thank you.