KLEIN BLS22H Standard Hex Key Set,

Klein Tools' 22-Key Ball End Hex Key Set conveniently consolidates the most popular metric and SAE sizes into one convenient set. The flexible folding case ensures easy access to keys while providing sleek and adaptable storage options when interlocking SAE and metric cases together. Each key is heat-treated and coated in black phosphate for unparalleled strength and corrosion resistance.