Home Tools Klein Tools ET300 Circuit Breaker Finder w/ Receptacle Tester $19.99 Tools Klein Tools ET300 Circuit Breaker Finder w/ Receptacle Tester $19.99 By ARCOM - 21 December 2020 69 0 SHARE Facebook Twitter Go to the deal page: Klein Tools ET300 Circuit Breaker Finder w/ Receptacle Tester $19.99