Wide Range of Uses: Suitable for any outlet box style, including PVC, metal, fiberglass, new work and old work. You Receive: Our package includes 6 1/2 inch and 12 screws Single Joint Sleeve Extenders and Screws, sufficient quantity to meet your daily use. Hidden and inconspicuous, perfect for construction and home improvement. Space-saving Design: Our extender is compact, and the rear flange fits snugly against the wall. It fits snugly into any style of box, ensuring no gaps. Neat and low-profile, blends perfectly with any environment. Easy to Install: Make sure the power is off, no need to disassemble or reposition the outlet box, and then remove the screws that secure the outlet or switch. Just install our extender to the device and wires, the process not take up much time, simple and convenient., Manufacturer: Akfldms