Features 1. Adopt the advanced instrument to count length, so this product has the accurate count ability. 2. The speed bd adjusted through electron, you can regulate the strength optionally and no tensile force appear 3. Good function for auto-trim in side. Purpose application:this model machine be suit for the textile which be made of cotton, hemp, silk and chemical fiber and other material fiber and other material verify, auto-count length and the number or rollers. Specification mode fi-180 fi-240 width(mm) ≤1800 ≤2400 max. Diameter(mm) 500 500 speed(m/min) 38 38 tolerance of trimness(%) ≤0. 8 ≤0. 8 Diameter(mm) 2300*1000*1780 2800*1000*1780 2700*1550*1900 3300*1550*1900 volt(v) 380 380 net weihth (kg) 450 550 800 900 tolerance of length (%) ≤0. 3 ≤0. 3