Flight characteristics may vary by plastic Disc Information | 3,4,0,1 Inspired by the Golden Ratio, the Phi is a beadless putter that is slightly less stable than the Penrose. It features a semi-deep profile with a smooth, rounded geometry that is stable enough to handle headwinds and tackle long approach shots with unmatched glide. Those looking to test out a beadless option for putting or a versatile and dependable driving putter, look no further - the Phi is the new golden standard of putt and approach discs. Phi Dimensions: Diameter: 21.0cm Height: 2.0cm Rim Depth: 1.5cm Rim Thickness: 1.1cm Inside Rim Diameter: 18.9cm Rim Depth / Diameter Ratio: 7.1% Rim Configuration: 71.50 Flexibility: 6.59kg Additional Information: Net Stability: +1 Primary Use: Putter Stability: Stable Recommended Skill Level: Everyone Beadless Approval Date: May 17, 2021 Max Weight: 174.3g