1018 Square Carbon Steel Bars, 1/2″ Thick x 5/8″ Width x 3 Ft Length, 1 Pcs Thickness Tolerance: -.006″ Width Tolerance: -.006″ Length Tolerance is ±3″ Unpolished, weldable, machinable. Can be heat treated. Cold Drawn Yield Strength: 54K PSI Rockwell Hardness: B70 ASTM A108 RETURN’S Where we are at fault. Item not as described, damaged or an obvious error on our part is guaranteed a full refund, inclusive of any & all shippingper our stated directions. RETURN DIRECTION’s; All returns MUST be in the original condition received. All returns MUST be shipped in the same manner as we shipped originally. ANY ADDITIONAL COST UP & BEYOND THE ORIGINAL COST, INCURRED IN RETURNING YOUR ITEM IS NOT REFUNDABLE. (if you choose to return an item at a higher rate than we originally shipped to you? This portion is NOT refundable) Refunds due because of a no error on our part are completed asan item refund only. Shipping is excluded. PLEASE feel free to contact us with any questions or concerns, as we strive for 100% satisfaction & happy customers. Items with a free shipping 20% restocking fee will apply.