This is double disc polishing machine for met allographic samples. Two independent polishing units is mounted on a common MS frame, other specification as per single disc. This Machine is portable model for polishing of met allographic sample. Disc dia 200 mm made of Aluminum. Speed continuously variable up to 950 RPM. Rating- 0.25 HP single phase 220 Volt A.C. Provided with sink and swing type laboratory water tap. Water prrof Formica table top.