This is a BRAND NEW Neoprene Timing Belt  ( ARM SHAFT CONNECTING BELT )for the Juki LUH-521 Style Walking Foot and Double Needle Industrial Sewing Machines.

This TIMING BELT has  41 TEETH   and the circumference is 25-3/8" to 25-1/2"depending on thickness variations among manufacturers.

This Neoprene Timing Belt will fit:

BROTHER:  B831  B832  B835  B836  B837

CONSEW:  223  223R  224  224R  225  226R  227  227FS   227R   227RFS-1   244   244RB   255   255RB   327   327R  332   332R  333   333R  333B   333BL   333RBL   339RB   339RBL

CUTLINE:  C-225

JUKI:  LH-512  LH-515  LU-53  LU-55  LU-562  LU-563  LUH-521

MITSUBISHI:  DN-260  DU-100

SINGER:  47W  111G  111W  211G  211W  112W  153W  153K  312T  312U  4OOW1

And many other WALKING FOOT AND DOUBLE NEEDLE machines.