DualCheck™ Non-Contact Voltage Tester/GCFI Outlet Tester Category_Cleaning Tools & Supplies and pretensioned blades

and pretensioned blades

Variable output of 10

using an energy-saving thermost

Red Perma Shield Coating

Rubber cap keeps tumblers clean

DualCheck™ Non-Contact Voltage Tester/GCFI Outlet Tester Category_Cleaning Tools & Supplies and pretensioned bladesEngineered to specifications required by professional electricians the innovative 2 in 1 DualCheck Tester from Sperry Instruments saves you time and money, while providing quality you can trust. This patent pending dual ended tester incorporates 2 of the most popular testers used by electricians, inspectors, technicians and homeowners into a single unit. Engineered with an exclusive design and latest technology GFCI Outlet Tester on one end and a 50