Products of the general support for teaching, a can to be assembled to form vertical, horizontal and inclined, hanging, clamping, fastening, placement of a variety of experimental support.Products are mainly consists of the following components constitute: in the middle of two V-shaped base is connected with a metal rod, 2 pcs vertical rod, 4 pieces bosshead,a universal clamp , the big and the small ring each 1,a flask holder ,a short rod, 4 pieces hook roll, floor, a titration clip,a circular tray , test tube rack plate, funnel frame plate, insulation rod and the edge of the table clamp.Various parts of the product are equipped with center sleeve hole M6 * 26mm locking screw.