my %default_scale_options = (
    -width        => '10',
    -length       => '200',
    -sliderlength => '16',
    -orient       => 'horizontal',
    -borderwidth  => '1',
    -cursor       => 'hand2',
    -showvalue    => '0'
);
...
my $scale1 = $parent->Scale(%default_scale_options);
...
my $scaleN = $parent->Scale(%default_scale_options);