26-piece long-arm hex key set for quickly tightening or loosening fasteners; standard and metric sizes Made of chrome-vanadium steel for rugged strength; black oxide finish for protection against corrosion; sand blasted for a smooth surface Long-arm design provides extended reach and enhanced leverage and torque; beveled ends ensure easy insertion Ball-end design allows entry angle of up to 25 degrees for easily reaching around obstructions Includes 2 hinged storage cases with dedicated slots and clear size markings; backed by an Amazon Basics limited 1-year warranty