ITEM: 18 Long x 13/4 Wide x 3/8 Thick, AISI Type O1, Tool Steel OilHardening Flat Stock DRILL ROD & TOOL STEELS. MANUFACTURER: DRILL ROD & TOOL STEELS. BRAND: Drill Rod & Tool Steels. MANUFACTURER PART: 57764. 18 Long x 13/4 Wide x 3/8 Thick, AISI Type O1, Tool Steel OilHardening Flat Stock 1/4 Long Tolerance, .005 Wide Tolerance, / .001 Thick Tolerance (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: Drill Rod & Tool SteelsFlat StockOilHardening Flat StockN/AN/A.