2.4mm Male to 3.5mm Male Precision Adapter PN: P-3.5M-2.4M-138
2.4mm Female to 3.5mm Male Precision Adapter PN: P-3.5M-2.4F-136
2.4mm Male to 3.5mm Female Precision Adapter PN: P-3.5F-2.4M-137
2.4mm Female to 3.5mm Female Precision Adapter PN: P-3.5F-2.4F-135