Way back when I was an OPCE at IBM (Office Products Customer Engineer) two of the tools used for tugging on springs inside the typewriters were these spring hooks. I was using the spring loaded one to figure out which wire-wrap where went where on this test proto board from 10 years ago. Started thinking about how much I like this tool and since the IBM office products division no longer exists there was no one to ask where they got them.
Ah well. Google is your friend. They are still available here:
crawfordtool.com
Good to know. Almost tempted to order a spare although I've had this one now for many years...
Ah well. Google is your friend. They are still available here:
Crawford Tool 25008 Captive-Style Spring Hook
Crawford Tool 25008 Captive Style Spring Hook Tool has a verysmall spring loaded hook. Hook extends by pressing blue plunger. Spring return captures and holds small wires, springs etc.. Ideal for installing and removing very fine springs and wires. Excellent for stringing corona wires. Overall...
crawfordtool.com