Yes it would appear so, I actually used the case as the bushes and slipped the cases over the top and bottom as I took them down.
It was a fine until I burnished the shine on and that was when everything went pear shaped.
The blank seemed to shrink and I rubbed all the black from the brass into the woodgrain.
Should have sealed first, back to the drawing board with this one I think.
The clip is the one that was in the kit, unsure where I got the kit from, it would be an old one as I haven't bought any kits for ages.