Product Information: Stainless steel true bar provides tighter tolerances in its thickness and width, and better squareness on its edges. The bar is drawn through a pre-formed die to achieve more exacting tolerances. 17-4 Stainless Steel offers high strength and hardness along with excellent corrosion resistance and toughness. Precipitation Hardening, Martensitic (Magnetic). Material: Stainless Steel Shape: Flat Bar Alloy: 17-4 Temper: Cond A Thickness: 1.250 inch Width: 4.000 inches Length: 12 inches Finish: Hot Rolled Quantity in Package: 1 piece(s) Specifications: AMS 5643, ASTM A564 Tolerances: Thickness: (+/-0.031) |Width: (+0.062/-0.031) | Length: (-0.063/+0.999) MTR Available: OUR COC Shipping: To offer the fastest and most reliable shipping we ship via UPS only. We are not able to deliver to PO boxes.We offer FREE UPS Ground Shipping. You can also upgrade to UPS 2nd Day Air and UPS Next Day Air Saver if needed.