Hardened and tempered for longer life. High-quality chrome vanadium steel, ball end design allows for angle access in tight areas. Packaged in reusable plastic holder. Includes sizes: 5/16″, 1/4″, 7/32″, 3/16″, 5/32″, 9/64″, 1/8″, 7/64″, 3/32″, 5/64″, 1/16″, and .05″.








