Made with Eklind alloy steel that has been heat-treated for optimum strength and ductility with a black finish to resist rust. Sizes included are 0.050 in, 1/16 in, 5/64 in, 3/32 in, 7/64 in, 1/8 in, 5/32 in, 3/16 in, 7/32 in, 1/16 in, 5/64 in, 3/32 in, 1/8 in, 9/64 in, 5/32 in, 3/16 in, 1/4 in, 5/16 in and holder.

• High-quality, industrial-grade, professional tools
• Heat-treated for optimum strength and ductility
• Plastic holder firmly retains each key in a size marked hole
• Finished with Eklind black finish to resist rust