Shimano Voltaeus Spinning Rod VTS-66M2 | Rod Length: 6’6″ 2-Piece | Rod Action: Fast | Rod Power: Medium | 6-12lb | Lure Weight: 1/8-1/2oz | RUF: Rod Unifiber Construction. Shimano has engineered the new Unifiber Construction to enhance your fishing experience. The Unifiber Construction utilizes 3 different composites and chemically bonds them together creating Uni-Fiber. The end result is a lighter, more sensitive and incredibly durable fishing rod. Unifiber: A new Shimano exclusive proprietary construction that uses carbon and T-glass and fuses them together. This creates an incredible Light, Sensitive and Durable Rod.