Strong enough. Super power strands braided lines allow you to easily tie solid knot. Longer casting distance and durability. Great abrasion resistance. This braided fishing line kit decreases the likelihood of losing your best tool using in fishing, freshwater or saltwater, surf fishing, ice fishing, trout fishing or bass fishing. Feature - Color: Grey. - Material: PE. - Size: About 7 x 7 x 9cm;500M (Length). - Wire Diameter: 0.5mm. - Tension Value: 40.2KG. - Ultra-strong, strength: this braided fishing line is composed of Ultra High Molecular Weight Polyethylene Fiber, manufactured to the standards. - The advanced 4 braided construction boasts ultrasensitivity that detects light bites and has low memory for outstanding castability and handling, and the 4 Strands line holds allow you to easily tie solid knot. - Highly sensitivity and zero stretch fishing wire: zero stretch creates a line with highly sensitivity and extremely low memory. - This braided fishing thread are abrasion resistance, ultra with stretch, low memory and thin diameter for easy casting and handling. - The extra-small diameter and enhanced color protection help with presentations and keep it from fish in the long term. Package list: 1 Roll Line