Double Black, Renny Doyle Collection is a cutting edge, premium brand within our line of P&S products. Double Black products are approved by Renny as equal to or stand alone as the best he has found. We have also added new products, built and honed to Renny’s specifications. In every case, each product performs to the highest standards of todays technology. The Double Black line will continue to evolve and improve as Renny and P & S work together to demand and get more performance from each product.