3.5mm Male to 1.85mm Male Precision Adapter PN: P-3.5M-1.85M-142
3.5mm Male to 1.85mm Female Precision Adapter PN: P-3.5M-1.85F-140
3.5mm Female to 1.85mm Male Precision Adapter PN: P-3.5F-1.85M-141
3.5mm Female to 1.85mm Female Precision Adapter PN: P-3.5F-1.85F-139