14 Gauge Silicon coated , multi stranded wire for use with your battery or speed control (ESC). Includes 2.5m of red and 2.5m of black. Silicon wire can withstand the high temperatures associated with the excessive current draw in brushless setups. 14 Guage silicon wire is 1.630mm in diameter._x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000__x0000_