Drag checker for big games.In addition to being able to set the drag up to 15 kg.A model that is also useful for strength tests of knots and lines.Measurement range 1 to 15 kg.Measurement accuracy less than 2 kg: 10% 2 kg or more: 5%.Compatible line : PE line: No. 4-12 ; Nylon / Fluorocarbon: No. 4-22 (16-80lb)