2.4mm Female to 2.4mm Female Precision Adapter, 4 Hole Flange PN: P-2.4F-2.4F-340
2.92mm Female to 2.4mm Female, 4 Hole Flange Precision Adapter PN: P-2.92F-2.4F-151
2.4mm Female to 2.4mm Female Precision Adapter, 4 Hole Flange PN: P-2.4F-2.4F-206