The best all-rounder for denim!
Very sharp point and thick body.
Best for repairs to non-stretch (woven) fabrics using thicker/Sashiko thread.

Thin vs Thick
Thin needles are suitable for thinner denim.
Thick needles are suitable for heavy denim.

Long vs. Short
Short are perfect for intricate Sashiko designs involving curves.
Long are perfect for simple Sashiko designs that feature long lines of stitches.