The hand folder is the culmination of many years' experience on the development, manufacture and application of hand bending machine. This style of brake incorporates all the outstanding features of various hand brake. Particularly, it has removable, dividual upper mould for bending different length. This machine can be used to form a box and pan having four sides and a bottom from one plate metal sheet. In addition, a marrow return flange on the top of a box can be made as in the manufacture of electric on the switch boxes. With the full length upper mould in place, the machine becomes a straight bending brake. The hand folders are used by manufacturers for forming electrical and electronic switch boxes, fuse boxes, etc. They are in great demand both home and abroad due to small in size, energy-saving, high efficiency and wide usage.