Steering CouplerSteering Coupler; Steel; 11/16 in. -36 Spline X 3/4 in. Smooth Bore;SPECIFICATIONS:Color: Natural SteelEnd 1 Connector Gender: FemaleEnd 1 Diameter: 36.000 in.End 2 Connector Gender: FemaleLength: 2.000 in.Shaft End 1: 0.6875 in. 36-splineShaft End 2: 0.750 in. without splinesWARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: WARNING: This product can expose you to chemicals including Nickel and Chromium (hexavalent compounds) which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information visit: www.P65Warnings.ca.govFEATURES:Steering CouplerUsing a 2" straight extension, called a coupler, to extend the steering box, R&P shaft or the column shaft, can sometimes eliminate a universal joint. The coupler can be welded or pinned to the un-splined end of a shaft. The 1"- 48 and 1" DD couplers have a 1-1?4" hole that will accept either an adapter to reduce inside diameter to 3/4" smooth or another splined or 3/4" DD coupler. The coupler assembly would have to be pinned and/or welded together. Welding the coupler is acceptable because there are no moving parts to damage, and the coupler's steel is less susceptible to heat damage from welding. Couplers are available in the same spline and Double D sizes as our universal joints. Couplers and adapters are available in steel and stainless steel only.The Borgeson Universal Company has been manufacturing steering universal joints and components for the industrial, automotive, military and aerospace markets since 1914. Purchased by the present owners in 1982, Borgeson continued to develop and refine our original needle bearing universal joint into the finest and strongest joint you can