YoYoFactory Plastic Grind Machine | YoYo Wiki | Fandom
The Plastic Grind Machine, often abbreviated PGM, is YoYoFactory's first high-end plastic yo-yo. It features hubstacks, and removable rubber O-rings in the thumb grind area to allow you to change the weight slightly (weighing at about 1.25g each). The PGM 2.0 has slightly changed specs and a different look. The first run came in the color options of Lime Green, Blue, and …
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