Comparison : Item # 2GBD-1/2&3/4, Gang Boxes 2 1/2" Deep - Concentric 1/2" & 3/4" Knockouts
Item # 3GBD-1/2&3/4, Gang Boxes 2 1/2" Deep - Concentric 1/2" & 3/4" Knockouts
Item # 4GBD-1/2&3/4, Gang Boxes 2 1/2" Deep - Concentric 1/2" & 3/4" Knockouts
Item # 5GBD-1/2&3/4, Gang Boxes 2 1/2" Deep - Concentric 1/2" & 3/4" Knockouts
Item # 6GBD-1/2&3/4, Gang Boxes 2 1/2" Deep - Concentric 1/2" & 3/4" Knockouts