BOX METAL OCTAGONAL 4X 2-1/8"D EXTENSION & 1/2-3/4" KO

Extension ring with ground screw. Concentric Knockouts. 4 in. x 4 in. x 2-5/8 in. 21.0 cu. in.

General
Type: Extension Rings
T&B UPC: 62253841116
T&B Status: M
Material: Steel

Dimension Information
Dimensions H x W x D (in.): 4 x 4 x 2-5/8
Volume (cu. in.): 21
Knockouts 1/2" sides: 2
Knockouts 3/4" sides: 4