This is a must for any RC'r. Cordless screwdriver with quick change end and torque adjustible, it also has a light. Also comes with the ofna 1.5, 2.0, 2.5, 3.0 hex and 4.5, 5.5 & 7.mm nut drivers.$60 shipped. Also included (But not shown) is the charger for the screwdriver.