Offset Williams Probe Offset Williams Probe PWD Double-ended probe. Ergonomic handle. Williams DE Offset. SKU Handle PWD #31 Round PWD6 #6 Satin Steel™ Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.