LEVEL LINE PLASTIC 3". This plastic line level from Kraft Tools can be used as a handy pocket level or on a line. It is made of a tough plastic material to ensure its durability. Its plastic bottle has double lines to allow users to set a light step when needed. It also has hooks that are built to keep the level in a straight position. In addition, one side of the plastic base has a molded clip to keep it handy or to clip it in your pocket.