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4 1/2” Unitary Rule Slide / Pat. 1957 / Machinist
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4 1/2” Unitary Rule Slide / Pat. 1957 / Machinist

Starting price (see what it sold for on eBay ↗) $13.00 as of Jul 17, 2026
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Ships from ZIP 944**
michaelw9545 691 ratings · 100.00% positive
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Description

From the seller
The 4 1/2” Unitary Rule Slide by Radio Distributing Company, model number 729, was manufactured in the United States. This machinist tool features a patented design from 1957. Model 729 patented by General. In good working condition. Made in USA.

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