The compact Mercer DD-1 dual-drive rotary power unit was designed to bring power to hand rotary machines and flange-making machines in minutes. It has 43 feet per minute output and an electric foot control that allows the operator to keep his or her hands free. Other features include a full-size shelf to store extra rolls and tools and a table socket to securely fasten tools in place.

H. Weiss Machinery & Supply Inc., (866) HWEISS-1; www.hweiss.com.