[Product Specifications] Line Twister / Hard Case / Instruction Manual included / Weight: Approximately 140g [Line Twister Specifications] Length: Approximately 115mm, Width: Approximately 63mm, Thickness: Approximately 28mm, Weight: Approximately 87g, Color: Black [Compatible Lines] PE Line: 0.6-3, Leader: 6-40lbs (1.5-12) [Batteries] 2 AAA batteries (sold separately / not included) It is possible to firmly connect PE line and leader with a MID knot. Because it semi-automatically ties the line, you can create a MID knot easily and quickly. Recommended for those who want to reduce preparation time before fishing. Unlike manual work, there is less variation in knots, and high strength can be obtained. Also, it is a size and weight that is easy to carry, so it is useful in various fishing situations.