Item:Extension Spring; Type:Safety Drawbar; Material:302 Stainless Steel; Finish:Plain; End Type:Closed Drawbar; Overall Length:7 1/2 In; Outside Dia.:0.875 In; Wire Dia.:0.105 In; Load (Lbs.):49.5; Deflection @ Load:2.75 In; Spring Rate (Lbs./In.):18; Meets/Exceeds:Astm A313 And Ams 5688; Package Quantity:1;