EBW-812 is a double gang, electrical box cutting kit. EBW-812 Includes the WTL-12 - wall box template & level for non-metallic boxes, 1-gang and 2-gang & EBC-800 - electrical box cutting kit, double gang. It needs to be used with an oscillating multi-tool (sold separately), and fits most industry-standard multi-tool power tools. It can be used for the installation of plastic, metal, or low voltage existing construction electrical boxes (4" x 3 3/4"). WTL-12 has built-in levels and a rubber backing to allow you to position the template exactly where you need it. Compatible with: Carlon B114R & B12R single gang boxes, Carlon B225R double gang boxes, Carlon SC100RR low voltage plates, Arlington Industries LVL1 and LVL2 boxes, and many other brands of non-metallic single and double gang boxes.