The EMTOP ECSS10803 is a high quality tool set that has different sizes in the squirrel and 8-19mm sizes of the Crucir Key set. It offers a perfect solution to squeeze and open the bolts in the scrolling key set. Thanks to the crucifery mechanism of the switches, there is no need to spend extra force during work. With high strength and comfortable design, this set is perfect for both home repair and professional work. You can use the material for a long time due to the sustainability and long life. This tool set offers extensive opportunities for the use of bolts in different sizes, as well as so easily used in places that are closely and difficult with favorable dimensions.