Shimano Technium Casting B (2pc)Shimano Technium Casting B Shimano engineers designed the Technium series to suit specific techniques and regional fisheries, catering to salmon, steelhead and sturgeon anglers. Constructed with blanks showcasing a high strength to weight ratio and rolled with a fusion of TC4 glass and graphite carbon, Technium boasts market proven durability. The full Technium series offers anglers a lineup of technique specific rods varying in handle and reel seat