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Review on Boston Gear NJ21B Pressure Angle by Bud Crabtree

Revainrating 5 out of 5

Heavier gears than I expected.

Bought these for a side roller I was making. Worked great but ended up with a huge bead roller and I'm not sure when I'll need it. But it's fun to build.

Pros
  • Gears
Cons
  • Slightly torn