... 2. 4 heads 3.ABS housing+acryl window Multi-head Ultrasonic Welder for Automobile Instrument Panel For this automobile instrument ... plastic body parts, car doors, car dashboard,lights,mirrors, sun visor, interior parts, filters, reflective material, reflective spike,bumper, cable, ... coffee pot, cover and Civil speaker grille metal surface. Multi-head Ultrasonic Welder for Automobile Instrument Panel