Legrand Pass & Seymour Slater New Work 4 in. Round Captive Mounting Nails Ceiling Box with Auto/Clamps

From the advice of electrical professionals, P&S has a long history of designing innovation into our electrical boxes offering for large volume, easy installation, better performance, increased productivity, and fewer call backs. Legrand Slater ceiling boxes are made of durable thermoplastic and feature dual mounting to accommodate either 2.75 of 3.5. Screw lock holds screws in box until they are needed so there is no lost hardware.