On-Q Blank keystone outlet insert in black color is made of high-impact plastic for long-lasting durability and ensures to mount on wall plate/strap easily. It measures 2.2 cm x 1.7 cm x 2 cm. Keystone outlet insert is UL listed and CSA certified. Also known as -On-Q WP3455-BK Blank Keystone Outlet Insert Wallplate/Strap Mount High-Impact P
