Extension Spring, Steel - 9\ Long, 0.25\ Diameter - Looped Ends - Eisco Labs
- Single, flexible extension spring, made out of quality steel.
- 9" (225mm) long, 0.25" (6mm) in diameter.
- Closely wound looped ends make this extension spring an excellent tool for studying motion, mass and potential energy..
- Perfect for physics experimentation in the classroom or at home..
- Sturdy construction allows for long time use and handling..