A tool holder having a handle at one end of a flat base thereof for carrying by hand or hanging on the wall, parallel ribs of different lengths raised from the flat base and defining a plurality of tool receiving grooves, a plurality of retainer blocks respectively raised from the flat base adjacent to one end of each tool receiving groove and a plurality of springy retainer rods suspended in respective side notches at the ribs at two opposite sides of each tool receiving groove remote from the retainer blocks for holding down storage tools in the tool receiving groove.