Rockwell RK1003K2 LithTech 12-Volt 3-Piece Kit - 3RILL, SoniCrafter, Flashlight LED Light illuminates work and flashes when the battery charge is low No memory effect so battery can charge anytime Soft grip handle for improved comfort 3RILL is a drill, driver, and impact driver all in one with 22 clutch settings Sonicrafter has metal gear housing and is compatible with most original Rockwell SoniCrafter accessories