high speed, good yarn/thead shape, low energy consumption Function:Single/Double Spindle Filter ... cores, characterized by high speed, good yarn/thead shape, automatic stop at yarn/thread's fullness, prompt yarn/thread replacing and low energy consumption ... Diameter26, 28, 29, 30, 32, 40, 65mm, etcWinding Reciprocation Stoke5'' ;10'' ;20'' ;30'' ;40''(limited reciprocation stroke is available as special ...