More of my dad’s hobby items.
4-approx 12”, 10 1/2 working length
2-approx 7 5/8”, 6 1/8 working length
1-approx 5 1/2”, 3 3/4 working lenght
All in working condition, used. Butterfly logo on each clamp
Don’t know anything else about them but if you have a question I will try to answer.