For Consew : 175RB, 176R, 199RB, 205RB, 206RB. Aluminum bobbins are considered the Top-End "Luxury Bobbins". for Juki : DNU-241, DNU-1541, DNU-1541S, DSU-145, LS-246. These high quality bobbins will fit industrial sewing machines using large capacity sewing hook including .
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