WellieSTR 1-3/8" (34mm) Sewing Machines Lockstitch Right Angle Tape Bias Binder 1pc Sewing Machines Lockstitch Right Angle Tape Bias Binder 1-3/8" (34mm) THE CUT SIZE OF THE BIAS TAPE BEFORE FOLDING IS 1-3/8", THE FINISH SIZE AFTER FOLDING IS 13/32"