Home Slickdeals Klein Tools AC/DC Voltage Tester, Non-Contact Voltage Tester and GFCI Outlet Tester... Slickdeals Klein Tools AC/DC Voltage Tester, Non-Contact Voltage Tester and GFCI Outlet Tester Set-21KIT2 – $29.88 By ARCOM - 6 January 2022 64 0 SHARE Facebook Twitter Go to the deal page: Klein Tools AC/DC Voltage Tester, Non-Contact Voltage Tester and GFCI Outlet Tester Set-21KIT2 – $29.88