EXTENSION RING 1GANG GRY 1G EXTENSION RING GRY *Brand Name: Sigma Engineered Solutions *Work Style: New Work *Capacity:9.5 cu in *Shape: Rectangle *Material: Metallic *Product Type: Extension Ring *Color: Gray *Width: 2-7/8 in. *Height: 4-11/16 in. *Weather Resistant: Yes *UL Listed: Yes *CSA Listed: Yes *Packaging Type: Shrinkwrapped *Discovery ACC, CON, NBR, SUP, EXP