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. ※Uses tapping screws for secure fastening. ・Designed for easy installation with a single Phillips head 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 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.