9338-ESGK Fixture Support Box, Round 3-1/2", Bracket Ears, Non-Metallic

3-1/2" Diameter, Old Work Ceiling/Fixture Box with Speed Clamps, Thermoset Fiberglass, Depth: 2". Cubic Inches: 14.0". Fixture Weight: 15 lbs. Includes: Snap Bracket with Ears and Ground Strap

Machine tapped fixture holes, ground strap, rigid hard box construction, no distortion with high temperatures, shatter resistant with low temperatures, Speed "K" Clamps factory installed