Unbranded Red Heavy-Duty Die/Compression Spring Approx. measurements are 1.465" od. x .810 id. x 3.015" Long .250" x .325" rectangular wire.

                                                                                                                                
This is surplus to a factory that kept spare parts on the shelf the parts / boxes may show shelf wear and have some dust on them
 
 
[Please Look at all the pictures they are part of the description]
 
                                                                        [B1-F1-R1-S4-4]