Dera Wall Chaser

A Dera wall chaser is a type of electric wall-cutting machine used in construction to make clean grooves (channels) in walls for installing wires, pipes, or conduits. Description of a Dera Wall Chaser A wall chaser (including the Dera brand) is a handheld power tool designed to cut parallel slots in concrete, brick, or plaster walls. It works similarly to an angle grinder but is more specialized and precise.