Home Slickdeals Fluke ST120+ GFCI Socket Tester w/ Audible Beeper $15 + Free Store... Slickdeals Fluke ST120+ GFCI Socket Tester w/ Audible Beeper $15 + Free Store Pickup By ARCOM - 11 August 2023 34 0 SHARE Facebook Twitter Go to the deal page: Fluke ST120+ GFCI Socket Tester w/ Audible Beeper $15 + Free Store Pickup