Method:- Using the two small pipes - Radial Drilling machine

First we make a base. Then we attach column to the base. Then show the table atmiddle of the column. Then after we take a big pipe which is attach on the column. Thenwe take a small pipe which is place in big pipe. Then we make slots on the big pipe. Forthe clamp we are fitting gear at opposite ends of small pipe. Then we are attaching theworm with the gear. Then the worm is standing on the gear. Then we are attach spindle at=the end of big pipe. Then we are fitting bush at the end of big pipe. Then we are makingthe slots on the half portion of spindle and we making a gear which is match on the slotsof spindle. Then we attach the handle with the spindle