Recreational Device 1
Manufacturer Tom Kuhn
Release date 2001
Shape Butterfly
Color Various
Weight 53 grams
Dimensions Diameter: 56.4mm
Width: 34.88mm
Material Laminated wood with metal axle hubs and removable metal weight rings
Bearing size Size I Tom Kuhn
Response system Tom Kuhn Turbo Discs
The Recreational Device 1 (RD-1 for short) is a yo-yo first released by Tom Kuhn in 2001, as the first model in the RD series. It is made of laminated wood with metal hubs containing the ball bearing axle. Of course, it also has Dr. Kuhn's proprietary Turbo Disc response system. Its most defining feature is the metal weight rings that can be inserted or removed from the sides of the yo-yo.


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