New old stock GM part# 1991070 windshield wiper knob for Chevrolet/GMC 1968-72 CK123 trucks, Blazer, Jimmy and G123 Van except custom and deluxe.  This is the standard knob.  Found in an old Chevrolet dealership.  PLEASE be sure this fits your needs - no returns.  See photos. Sales tax may be applied by ebay for some states. Thanks!

NOTE:  Sold as-is - no warranty.  No returns.  Ship cost shown is for continental US 48 states.  Please be 100% sure this fits your needs.  Even though eBay is adding a video to every listing saying they promise items fit your vehicle, we do not accept returns and it is still your responsibility to be 100% sure this will work for you before you buy.  Thank you.