The te ci 18 li ndash solo cordless impact driver is a fast impact driver which can be used for effortlessly tightening even large long screws it is equipped with a unique triathlon motor for providing excellent power speed and efficiency the tool is easy to hold thanks to its short lightweight design and ergonomic softgrip surfacestool operation can be adapted with optimum effect to particular requirements using the precision electronic speed control three power leds provide optimum v