Vaco / Klein Split Blade Screw Holding Screwdrivers Review

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2 years ago
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In this video we look at some vintage Vaco 'split blade' screwholding screwdrivers.
This design dates back to 1948 (or maybe even earlier) but is still being produced today by Klein & QuickWedge.

Here are the patent numbers if you wish to look at them:
1948 GW Barlow: 2,445,383
1965 CM Osborn: 3,224,479
1978 E Benitz 4,078,593

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