1). RJ11 RJ45 modular plug 2). Transparent color 3) .Nickel plated 4).ISO9001,ROHS,SGS 5).OEM and ODM service RJ45 ... cat5e T568A and T568B3). Contacts are nickel plated, phosphor bronze with 1U, 3U, 6U….50U gold plated4). Exclusive stagger conductors guide design ...