72" LEATHER BELT SINGER TREADLE SEWING MACHINE - 3/16" (5mm) 72" LEATHER BELT SINGER TREADLE SEWING MACHINE- 3/ 16 (5MM) ******REAL LEATHER***** Simply measure your old belt (if available) against this new belt ,cut the excess length off, puncture ( using an awl or nail) , than insert the end with the metal hook.