Modelfor Olympic Bars, Curl Bars, Tricep Bars, Dumbbell Bars. There is a very specialized hex bolt at the end of the olympic bar, integral to keeping the weights in-place. This set of Hex Bolts are made of high-quality steel material which is heat treated, quenched and tempered for optimum strength, torque and ductility for safety and coated with a rust resistant finish.
