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Forgot about those!
Had a look at mine, four very shallow tumbler cuts in the perimeter, just like a spline wrench. Equally spaced at 90 degrees and occupy 50% of the material.
Very generic. Even have the same number (102) as Birdseye's picture.
Had a look at mine, four very shallow tumbler cuts in the perimeter, just like a spline wrench. Equally spaced at 90 degrees and occupy 50% of the material.
Very generic. Even have the same number (102) as Birdseye's picture.
