Stevens / Stevens & Co., 375 Broadway, New York, NY / "Spintite" nut drivers, "Perfect" spoke wrench, "Speed-Up" tools, screwdriver "Necessity" chain tool / merged with Walden-Worcester 1926 to become Stevens-Walden /
https://fordtoolcollector.org/tool-catalogs/ / patent 965722 Jul 26 1910 John N. Macdonald /
https://www.garagejournal.com/forum/threads/spintites-some-morning-research.343074/ /
See also Walden Worcester
Walden Worcester / see also Stevens-Walden / Walden Worcester Mfg. Co, Worcester, MA / "Tomahawk" "Spintite" / patent 920717 May 4 1909 & 1282028 Oct 22 1918 Warren S. Bellows /
http://alloy-artifacts.org/walden-worcester.html /
http://alloy-artifacts.org/walden-worcester.html#history /
https://wrenchwiki.com/walden-worcester/ /
https://www.garagejournal.com/forum...l-free-to-post-your-walden-tools-here.392993/ /
https://www.garagejournal.com/forum/threads/old-walden-worcester.383198/ /

1920s Stevens & Co. catalog pp 56 Spintite

1920s Stevens & Co. catalog pp 57 Spintite

1920s Stevens & Co. catalog pp 58 Spintite

1920s Stevens & Co. catalog pp 59 Spintite

1920 Stevens & Co. catalog pp 71 Necessity Chain Tool (patent 965722)

1920s Stevens & Co. catalog pp 76 Bearing & Carbon Scrapers

1920s Stevens & Co. catalog pp 77 pliers screwdrivers reamers