Jonard Tools OscillatingToolBlade,L:4",StainlessSteel EBC-800

QUICK & EASY: Cuts through drywall in seconds, making this the fastest and easiest tool to use for installing single gang electrical boxes PRECISION CUTTING: Cuts a hole 4" x 3 3/4" in drywall, perfect for installing old work double gang electrical boxes VERSATILE USE: Compatible with most industry-standard oscillating multi-tools HIGH DURABILITY: Constructed from stamped steel for long life and durability NOTE: For use with 18V, 20V or corded oscillating multi-tools. Does not work with 12V multi-tools.