Floor Box. 38 cubic inch, with knockouts and Auto/Clamps, three screws for mounting to floor. Gray.• Hinged door is removable and easily replaceable.• Durable construction, impact, and scratch resistant PVC construction.• Standard Decorator opening that accepts GFCI, TVSS, DataCom, or other Decorator devices.• Auto/Clamps and knockouts on both sides of box.• Meets UL514(c) scrub water exclusion test.• Threaded device mounting holes.• Simple mounting box, fits into a 4 3/4 inch hole and mounts with 3 screws included.• Ready for low-voltage wiring, drill guides on underside of cover.• UL and cUL Listed.• Captive screws on TM1542 Series -- screws will not be lost -- new.• Made in USA.