MVP Electron Firm Entropy 4|3|-0.5|3 Putter (Stock Stamp) [Back Stock Inventory - Disc and Stamp Color WILL VARY]See All: Electron Firm Entropy 4 3 0. 5 3s with Stock stamp. Mold: The MVP Entropy 4 3 0. 5 3 Putter Speed: 4 Glide: 3 Turn: 0. 5 Fade: 3 See all Entropy 4 3 0. 5 3s The Electron Entropy is officially making its way to a stock offering, allowing even more players to experience the magic of this overstable putter. As Electron plastic tends to beat in much quicker, this Entropy comes in with flight numbers of 4 3 0. 5 3. It continues to excel as an