The Specialty Series Pike Musky Sink 4 is our most versatile sinking esox line. The Type 4 (4-5IPS) covers multiple water columns. Our X-Strong Core provides extra core strength and exceptional handling in the coldest months. - Type 4 Sinking Head -Intermediate Running Line - Aggressive Taper Design - X-Strong Core WATER: FreshwaterLINE: Type 4 Sinking / Intermediate TAPER: Weight ForwardLENGTH: 100ftCORE: Braided Nylon MultifilamentSPECIES: Pike / Musky / Bass