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ProJam
YYJProJam
Manufacturer YoYoJam
Release date 2000s
Shape Butterfly
Color Various
Weight 62.2 grams
Dimensions Diameter: 55.81mm
Width: 39mm
Material Plastic
Bearing size Size C YYJ Large
Response system Starburst

The ProJam is the cheapest and is known as the most basic YoYoJam yo-yo. The minimum order of it from YoYoJam is 50 units, and it retailed for around $10 USD. They are primarily used for school demonstrations, and other types of events, and are often produced with special edition side caps for promotional or commemorative purposes. It was also the base model for Doctor Popular's Bolt yo-yo, which featured O-rings or silicone for its response system.









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