Berkley Trilene 100percent Fluorocarbon Ice Line 5Lb 75yd Clear 0.009 in/0.22 mm. Thinner diameter and more supple to stay flexible in cold weather conditions. Specifications for Berkley Trilene 100percent Fluorocarbon Ice Line: Manufacturer: Berkley Line Type: Fluorocarbon Color: Clear Length: 75 yds Features of Berkley Trilene 100percent Fluorocarbon Ice Line SPECIAL 100percent FLUOROCARBON FORMULATED FOR ICE FISHING Low stretch formula for greater sensitivity and solid hooksets Thinner diameter for better lure control Ultimate Invisibility - The invisible fluorocarbon. Similar refractive index as water so fish cant see it Excellent Manageability - Lower memory for superior handling Package Contents: Berkley Trilene 100percent Fluorocarbon Ice Line Berkley 1226836: Trilene 100percent Fluorocarbon Ice Line 5Lb 75yd Clear 0.009 in/0.22 mm