4 Square To 3-1/2 Round Adjustable Device Ring - Raised 3/4 To 1-1/2

4 Square to 3-1/2 Round Adjustable Device Ring - Raised 3/4 to 1-1/2

Red Dot Round extension adapter with ground screws. 4 x 1/2 in

4 Square To 3-1/2 Round Adjustable Device Ring - Raised 3/4 To

6 Square Boxes & Extensions Steel Boxes, Covers, & Accessories

AMRO 254731 Adjustable 3/4-1-1/2 Single Gang Mud Ring-Steel-Round-LOT OF 18

Multi-Gang Mud Rings - Centaur Installation

55151-K - 1 1/2 Deep Box Extension w/concentric knockout

Covers & Device Rings — Lighting Supply

Covers & Device Rings — Lighting Supply

Southwire AMR011B 4-11/16 Square To 3-1/2 Round Adjustable Device Ring - Raised 3/4 To 1-1/2

Multi-Gang Mud Rings - Centaur Installation

World Electric Supply