... and durable 2.2.5mm pin size 3.dc power jack J21(PJ021) for laptops: Item specificsItem codePJ021Size2.5mm Connectionplug inRate ... LCD inverters, laptop DVDRW Drive, laptop motherboard, laptop dc power jack; laptop cool fan, and many others for almost all named ... . Leo Liu :HK SECURE PLENTIFUL TECH LIMITED.:No.333,3/F Huayun Building Zhenxing West ;Rd.NO.101, Futian Shenzhen Guangdong ...