Diadem Edge BluCore ProThe Pickleball Paddle The Edge BluCore is the most powerful USAPA approved paddle Diadem has ever made. Better than your current paddle, better than beating your long time rival, better than sunsets on the beach you get the idea. As the next generation of the best selling Edge 18K, it introduces Diadems innovative PowerSync BluCore Technology for unmatched pop, power, and spin. At its core is Diadem BluCore Technology, a full foam EPP construction