0.500 (1/2 inch) x 36 inches (3 Pack), D2 Tool Steel Round Rod, DCF, Oversized
Temper: Annealed. D2 is an air-hardening, high carbon, high chromium tool steel, heat treatable to HRC 60-62. Specifications: ASTM 681, AISI D2. Shape: Round Rod. Material: Tool Steel.