12" Extra Long SAE Drill Bits. Includes: 1/8", 5/32, 3/16", 1/4", 5/16", 3/8" and 1/2" Drill Bits. Each Bit is Equipped with Self-Centering Tip to Prevent "walking". Heat Treated and Fully Polished for Smooth and Accurate Drilling. Tapered Shank on the Two Largest Bits will Fit 3/8" Drill.
