A substrate-mountable holder system, comprising: a first portion comprising a base having first and second front surfaces, a rear surface, a top and a bottom, a hook extending from proximate the bottom, a lobe extending rearwardly from a rear surface proximate the top, a pad extending rearwardly from the rear surface, an opening for receiving an anchor extending through the base, the opening between the lobe and the pad; and a second portion for operatively engaging the first portion; wherein the first and second portions each include at least one, and preferably a plurality of, interfacing protrusions and indentations for engaging the second portion with the first portion. Each of the protrusions and indentations on the first and second portions may be proximate the bottom of their respective portions. The system further may include a self-drilling drywall anchor having a bore, and a fastener for operatively engaging the first portion and the bore.