I while back I posted requesting thoughts on 4" double squares. I ended up
ordering the 4" model from highland hardware.
I was really disappointed. It will be going back. There were 3 things that I
found to be disappointing.
1. Size. This is my fault for not properly visualizing this thing. I
foolishly assumed that Starrett would use the same knurled knobs on their
double square as on the combination square. Not so. The whole tool is scaled
down significantly. The cross section of the rule is 5/8" by 1/16" compared
to 1"x 3/32" on the C-square. I do not have large hands but this tool
generally felt "delicate" rather than "substantial".
2. Ergonomics. My Starrett C-square is ergonomically superlative. With the
fence resting in my palm, the thumb falls naturally onto the ample knurled
knob. Conversely, the smaller knob on the double-square is set into a the
base which is a bit too narrow (15/16") as it is impossible to turn the
inset knob without rubbing one's fingers against the interior lapped
(slightly sharp) edge of the fence casting.
3. Damage. The were a couple of dings in track of the rule. They are not
visually obvious, but are functionally significant.
The most significant one was in the center of travel and felt like a very
pronounced detent. It's hard to imagine that the track on the side of the
rule would be damaged with casual contact. It's just not a very exposed
edge. There were also some fine scratches on one of the faces of the fence
casting. I could care less about the scratches except that it suggests that
this tool may has been used and and a minimum, significantly "handled".
I believe that this tool was used and returned. It may have been returned
because of a manufacturing defect, or possibly damaged by the original
purchaser. Maybe it was a store display item. It is understandable to see
how an item with such a flaw could make it back into inventory.
I must admit that I had a very high expectation of quality. 1 and arguably
2, are "on me". 3, however, I believe is unacceptable at this price point
($47). I'm sure that Highland hardware will take care of me, but I'll have
to eat at least some shipping costs.
I thought I would share. Hopefully someone will find this useful.