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Special Speeder IDs

r_olson_06

Well-known member
Joined
Feb 12, 2012
Messages
4,073
Location
SD
I picked up 2 speeders with these ends on them. I know I have seen them before but cannot think of the purpose. Any help?
20260514_210418.jpg20260514_210516.jpg
 
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larry_g

Well-known member
Joined
Apr 28, 2007
Messages
16,867
Location
oregon
Flush caps on some plumbing and electrical fittings? Think floor fixtures.
 
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MR.X

Well-known member
Joined
Dec 13, 2010
Messages
1,789
yeah, early valve lapping tools. Lots of the early catalogs used the word grinder for the manual tools like this so....
 
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