This 4.4mm Furutech FT-7445 (R) jack connector has a very nice stainless steel finish and uses excellent materials, ideal for creating balanced balanced balanced cables of high quality. It should therefore be noted that the connector is designed from a single piece and benefits from Rhodium-plated copper alloy contacts treated with Alpha (cryogenisation) for perfect conductivity. The connector also benefits from PBT isolation to limit interference and a stainless steel structure.