17/Thin Williams Expro 17/Thin Williams Expro XP17/OW Double-ended instrument with an explorer on one end and a probe on the other. Ergonomic handle. SKU Handle XP17/OW #31 Round XP17/OW6 #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.