Feature●4140 steel, also called "Chromoly Steel", is known for strength, resistance to fracturing, abrasion, and impact in high stress applications.●1.75" Diameter, 72" Length●Annealed●Alloy Steel 4140 is commonly used for gears, shafts, spindles, fixtures, bolts, valves, sprockets, pistons, and collars in various high-stress and heavy-duty applications.●Meets ASTM-A108Description