Additional Details ------------------------------ Bullet point: Uniblock 02 Universal - Heritage GraySpecifications Product description: Uniblock 02 Universal Heritage Gray Provides multiple uses including the ability to easily and attractively mount light fixtures and receptacles 7 inches x 7 inches surface dimensions 812 inches x 712 inches flange 34 inch adjust to 114 inch Jchannel ID 4 inch diameter knockout 238 inch x 334 inch rectangle Lifetime limited warranty Multidepth Features. Uniblock 02 Universal Heritage GraySpecifications. Dimension 01 x 01 x 01 in. Color Heritage Gray