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 screwdriver ・Installation of Carrozzeria TS-F1640 has been confirmed Although the dimensions are the same as those of major domestic manufacturers, it has not been confirmed. ●Material PLA+ ※Higher strength, rigidity, impact resistance, and heat resistance than PLA ※No need to worry about moisture absorption like MDF ●Fixing screws Tapping screws ※Low risk of loosening because it tightens while cutting female threads ※Nuts are not used. If nuts are used, there is a possibility of falling off 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 bolts (small) and washers each ② Remove the cable hook on the vehicle side. (Pinch both sides and push in) ③ Screw the bracket with the speaker attached to the vehicle ※It is easier to set by setting it sideways as shown in the 4th photo and rotating it 90 degrees ※4 included bolts (large) each ④ Return the cable hook Speakers are not included. Thank you.