Features: Made of high-quality ABS materials, durable. An ingenious tool that ensures you get the perfect hair length every for time you tie a rig. It measure hairs from 10mm to 40mm, easily fits into your tackle box and measurements are printed on both sides for ease of use for both right and left-handed anglers. The measurements are printed on both sides for ease of use for both right and left-handed anglers. A Knot Puller Tool added for tying a tight knot. Specifications: Material: ABS Size: Approx. 55x53x16 mm/2.17x2.09x0.63 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Hook Tensioner