Tool: Small Double Square Shop Now
Manufacturer: Lee Valley
MSRP: $49.50
A diemakers’ sq. with a slender blade is a superb instrument for figuring out minute issues together with your joinery, permitting you to get in between slender dovetail pins, for instance, to test for sloping partitions. But a real diemakers’ sq. (on which the blade angle might be adjusted for patternmaking) is kind of costly, even on the secondary market (although Lie-Nielsen sells a well-priced model when you don’t want a slender blade).
Enter the “double square” – an identical instrument, minus angle adjustment.
Lee Valley has a small double sq. ($49.50) that comes customary with two 2 1⁄2“-long blades; one is 1⁄2” extensive, the opposite simply greater than 3⁄16” extensive, with a 3⁄32“-wide, 1⁄2“-long probe on one finish for sneaking into the smallest of locations.
The inventory is dead-square to the blades, and the foundations are simple to vary – although the middle pin (the rule catch) does rotate within the physique. (It doesn’t on the $140 double sq. from Vesper Tools, which comes customary with three blades and likewise features a 45° reference bevel on the inventory, the place the Lee Valley one doesn’t.)
Out of the field, the perimeters of the sq. I used had been very sharp, so I took a couple of minutes to burnish them.
I positive want that probe had been longer – the 1⁄2” size limits its use to skinny inventory. But when you don’t reduce fairly narrowly spaced dovetails, it’s a non-issue.
All in all, this small double sq. is an effective instrument for the worth.
Oh – and about that field it comes out of? This is a precision instrument that needs to be saved with care, not simply tossed in a instrument tray; the French-fit field makes {that a} no-brainer.
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