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1 Level
1260 Review
40 Karma

Review on Prime Line Products SP 9700 Compression by Shalom Germann

Revainrating 5 out of 5

Good quality springs

They are quite stiff. Their unstressed length is 1/2 inch and 1/4 inch when fully compressed. I measured the spring rate which was 38.9 lb/in. Thus, about 10 pounds will fully compress the spring.

Pros
  • Compression springs are flat end, high spring rate screws
Cons
  • Unsafe