Timibis@ 4 Pole 3.5mm Male Repair headphone Jack Plug Metal Audio Soldering & Spring Tool Kits Headphone Jack Soldering Tool 4 in 1, 2 Soldering Jack, 2 Heat-shrinkable tube, Stainless steel Tweezer and Rosin Core Solder. High quality 4 Pole 3.5mm Male Repair headphone Jack Plug Metal Audio Soldering & Spring. High quality Rosin Core Solder, perfect for headphone Jack soldering. Use stainless steel tweezer while soldering avoid burnt your fingers. Come without Soldering Iron.