Undertow (ProLine) from Disc Golf Association
![](https://api.pdga.com/files/styles/course_map/public/disc_certification/2-17-12_side_prolineundertow.jpg?itok=6duIhRm_)
Production
Manufacturer / Distributor: Disc Golf Association
Approved Date: Feb 12, 2012
Certification Number: 12-12
Specifications
Max Weight: 178.5gr
Diameter: 21.5cm
Height: 1.6cm
Rim Depth: 1.2cm
Rim Thickness: 2.1cm
Inside Rim Diameter: 17.3cm
Rim Depth / Diameter Ratio: 5.6%
Rim Configuration: 28.25
Flexibility: 10.77kg
Technical Standards
- Technical Standards
- PDGA Approved Disc Golf Equipment
- Disc Golf Equipment Manufacturers
- Flying Disc Museum – PDGA Test Discs
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