Rockwell ProGrade RC2519K 3.6-volt Lithium-Ion Screwdriver Always ready for the job - with lithium battery power, this screwdriver will keep its charge for months! Fits right in your hand! This palm size screwdriver is just the right size for any job as it fits right in the palm of your hand. Additionally, it comes with soft grip to ensure complete user comfort for extended usage. Light up your hard to see work area! We've incorporated a sight light that comes on automatically when the screwdriver is in use. You'll always have a visible work area now! Just slide in the driver bit and you're ready to go. A hexagonal chuck allows you to slide any bit in that the job requires: 1", 2" 3" or any length bit can be used. The kit comes with 9 driver bits and a convenient metal carry case.