4″ Round Ceiling Box With Captive Nails By Pass & Seymour S1-20-RAC

4 Round Ceiling Box with two captive mounting nails and four Auto/Clamps.It is constructed of impact-resisitant Noryl thermoplastic, making it virtually unbreakable and non-conductive. Its depth-mounting gauge at bottom of bracket helps you align the box at the proper depth relative to the ceiling.50 pack.

• Depth: 2 3/16 in
• Color: Gray
• Material: Thermoplastic
• Mounting: Nail On
• Cubic Inches: 20.250 in³