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Author Message   Marty Tinkerer Username: Marty Post Number: 101 Registered: 11-2008 Rating: N/A Votes: 0 Posted on Wednesday, October 17, 2012 - 06:06 pm:    I cobbled a spanner that I'm happy with by regrinding the tips on an old set of heavy duty carpentry dividers, and slightly bending the tips inward to make them more parallel at typical opening distance. It's long enough to reach down into a set of bellows and stiff enough not to jump out of the little slots.