What is this sewing tool?

Use this to store your pins and needles:

_______ used for cutting zigzag and scalloped edges in fabric.

This is handy in snipping loose threads.

We use ____ needles are used for knitting where you knit rows back and forth in a straight line.

We use three ______ needles for knitting items that are tube-shaped and should not have a seam.

Identify the knitting needle shown.