Found 2 3D-models for “2 to 1 inch” across many websites

#weight#Weight plate adapter#dumbell#lifting#weight plate#Bushing#plate#gym#2 inch to 1 inch#spinlock
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1 Inch Barbell/Dumbell Adapter for Olympic Plates

1 Inch Barbell/Dumbell Adapter for Olympic Plates

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2" to 1" Weight Plate Adapter 35mm

2" to 1" Weight Plate Adapter 35mm

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