This high-quality floor box cover has a 1/4" Brass Carpet Square Flange with our unique tool-less Hinge U-Access  door. The hinged cover allows full access to internal connector plates and stored cables. The hinged cable exit door flips back to allow the cover to remain in place after connections are made and cables are routed through it. The 0.25” and 0.5” raised edge style and solid covers are UL scrub water approved.