Truss Rod Washers, Vintage Guitar/Bass, .204 x .367, Brass (12).The best truss rod washers for vintage Strat, Tele, Jazzmaster, Jaguar, Mustang, Precision Bass, Jazz Bass etc. ".204 x .367" Brass HH truss rod washers. I measured .366" outside diameter, .210" inside diameter, .032" thickness on a sample washer. Brand New. Genuine Fender 0022335049. UPC 717669069803. Photo may not reflect current Fender packaging.