TU17/23 Explorer TU17/23 Explorer EXTU17/238 Double-ended explorer. Ergonomic, ResinEight™ handle. SKU Handle EXTU17/238 #8 ResinEight™™ EXTU17/237 #7 Satin Steel™ Colours™ EXTU17/236 #6 Satin Steel™ EXTU17/23 #31 Round 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.