Used to determine tension of moving yarn in knitting & weaving machines. Available in different capacities (2-25g, Sensitivity 1 g 5-50g, Sensitivity 2 g 10-100g, Sensitivity 5 g).Portable , handy & easy to operateUsed to determine tension of moving yarn in knitting & weaving machines.Capacity 0 to 200gms, accuracy 1gm.Portable , handy & easy to operate Digital display for tension in the yarn.