3.5mm Female to 1.85mm Female Precision Adapter PN: P-3.5F-1.85F-139
2.92mm Male to 1.85mm Male Precision Adapter PN: P-2.92M-1.85M-155
2.92mm Male to 1.85mm Female Precision Adapter PN: P-2.92M-1.85F-153
2.92mm Female to 1.85mm Male Precision Adapter PN: P-2.92F-1.85M-154
2.92mm Female to 1.85mm Female Precision Adapter PN: P-2.92F-1.85F-152