Square Box Extensions

Appleton® ETP™ 4SE-1/2 Square Box Extension Ring, 1-1/2 in D, Steel

Appleton® ETP™ 4SE-3/4 Square Box Extension Ring, 1-1/2 in D, Steel

Appleton® ETP™ 4SES Combo Drawn Square Box Extension Ring With Knockouts, 2 Gangs, 4 in L x 4 in W x 1-1/2 in D, Steel