All files are 7" in length. Comfort-Grip™ handles. Made of a solid core with acetate plastic that is resistant to acids, fluids, and solvents for an extended life. Mac Tools logo is hot stamped for durability. Won't wear off over time. Textured thumb rest positions hand for optimal torque. Features a textured surface for extra control. 4-sided design for maximum torque. Prevents roll away.