Home Tools Klein Tools ET300 Circuit Breaker Finder w/ Receptacle Tester $29.99 Tools Klein Tools ET300 Circuit Breaker Finder w/ Receptacle Tester $29.99 By ARCOM - 31 May 2020 110 0 SHARE Facebook Twitter Go to the deal page: Klein Tools ET300 Circuit Breaker Finder w/ Receptacle Tester $29.99