Product Quality: Our outlet box extenders are made of high temperature resistant plastic material, good flame retardant, reliable and durable, finely processed products, more stable quality, and can stand the test of time. Function: This electrical outlet box extender is used to extend the electrical box to 1-1/2inch. Automatically levels and supports receptacles, switches, GFCIs, receptacles and other standard equipment. Features: Continuous, smooth, non-metallic side walls enclose devices completely creating an insulating barrier between the device and the metal box. Safe: Unlike other outlet spacers for distribution boxes, this outlet box extender can ensure safe and secure installation.<br><br>Colour:White Material:plastic<br><br>Package Contents: 5 x 1-gang box extender 10 x screws<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.