Abstract: An adjustable wrench-rack comprises a hanging body and two retaining bodies. The hanging body is provided with a plurality of locking holes. Each of the two retaining bodies is provided on a rear surface thereof with a plurality of threaded holes for fastening the retaining body to the hanging body by bolts engageable with the threaded holes and the locking holes. The two retaining bodies are provided respectively on a front surface thereof with a plurality of retaining slots in which the ring wrench, the double-ended wrench and the combination wrench are held securely. The retaining slots are provided respectively with an opening and a hooked body serving to prevent the wrench from slipping out of the retaining slot in which it is held.