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Review on PGN Precision Chrome Steel Bearing Power Transmission Products by Russ Charmin

Revainrating 5 out of 5

Steel Chucks for Power Transmission products

Very nice .50 steel balls. It seems to be the perfect slingshot cartridges and ball bearings. I think they resist rust better than some steel cartridges.

Pros
  • Diameter: 1/2", 0.5" inch (12.7 mm)
Cons
  • vanishing