This is a bracket for mounting 16cm speakers in the rear of JB64 Jimny and JB74 Sierra. ・Compatible with aftermarket 16cm speakers. Set of left and right. ・Includes mounting bolts. ※Self-tapping screws ensure secure fastening. ・Designed for easy installation with a single Phillips screwdriver. ・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. ●Fastening Screws Self-tapping screws ※Low risk of loosening because they cut their own threads. ※Nuts are not used. With nut fastening, there is a possibility of detachment due to vibration if the fastening loosens due to resin creep. ●Dimensions Inner diameter: φ132 Outer diameter: φ164 PCD: φ150 ●Installation Procedure ① Screw the speaker to the bracket. ※4 included small bolts and washers each. ② Remove the cable hook on the vehicle side. (Pinch both sides and push inward) ③ Screw the speaker-mounted bracket to the vehicle. ※Set it horizontally as shown in the 4th photo and rotate it 90 degrees for easier setup. ※4 included large bolts each. ④ Return the cable hook. Speakers are not included. Thank you.