a tool suspension plate has a base , at last one fastening device formed on the base , and a slat detachably mounted on the base to cross over the at least one fastening device and to secure at least one screwdriver on the base . each fastening device has a clamping element adapted to clamp a part of a screwdriver and a supporting element adapted to support a handle of the screwdriver . thereby , the screwdriver is firmly secured on the tool suspension plate . furthermore , by in cooperation with the slat , the tool suspension plate has excellent thief - proof , displaying and retaining effects .