Available in more lenghts STE-F-1m useful length; weight = 1,00 kg ( 2.20 lbs) STE-F-2m useful length; weight = 2,00 kg ( 4.40 lbs) STE-F-3m useful length; weight = 3,00 kg ( 6.60 lbs) STE-F-4m useful length; weight = 4,00 kg ( 8.80 lbs)