Leviton 80719-E black strap-mount blank wallplate. A Commercial Specification Grade, standard size single gang plate (4.5"h x 2.75"w) made of a tough unbreakable thermoplastic - do not confuse them with regular Residential grade plates that can chip and crack. Features include:
Strap mount hole pattern - mounting strap is included
Smooth face and rounded edges resist dust accumulation
Molded thermoplastic for maximum resistance to impact, abrasion, fading and discoloration
Resistant to mechanical stress associated with high abuse applications
