THE RAINSHADOW RX7 / IM6 BLANKS - THE FOUNDATION FOR THIS GRAPHITE IS " INTERMEDIATE MODULAS / HIGH STRAIN RATE" FIBER ( 43 MILLION ) COMBINED WITH A LIGHT FIBERGLASS SCRIM . BONDED TOGETHER WITH A SPACE AGE RESIN SYSTEM, THIS IS A WORKHORSE MATERIAL. BLANKS PRODUCED WITH THIS MATERIAL OFFER SUPERB STRENGTH, SENSITIVITY AND LIGHT-WEIGHT, AT AN EXTREMELY REASONABLE PRICE. BEST VALUE IN FLY BLANKS AVAILABLE TODAY. ALL MODELS ARE AVAILABLE IN EITHER MATTE GRAY OR OLYMPIC GREEN. LIMITED LIFETIME WARRANTY.