Heavy duty Meruichi metal from Japan clay extruder. Durable use as bench mount or wall mount with bolt holes provided. Place clay log into barrel tube and replace piston. Gradual extrusion by manual hand pressure progressively by locking to the next step. Additional leverage extrusion pressure if required for hard clay by inserting a hollow tube into the handle. Replace extrude solid profile or hollow with appropriate dies. Compact and extrude clay logs for coiling and hand building of large pots and jars. Dies secured by bayonet twist lock with two twist handles. Easy cleaning by extruding a rag through tube. Sturdy construction for years of maintenance free service. An essential investment for ceramic studios and workshops.