摘要 |
A combination brush and jag (100) comprising a stem (14), a set of short bristles (62) having a first transverse diameter (61); a set of long bristles (64) having a second transverse diameter (63); die set of short bristles (62) and long bristles (64) positioned adjacent to each other and secured in between the stem (14); and a patch (71) to cover the set of short bristles (62). The first transverse diameter (61) is smaller titan the second transverse diameter (63). The first transverse diameter (61) is also smaller than the bore diameter 1 or 8 of a bore (73) so as to define a circular gap (3) approximately the size of the thickness of the patch (71).
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