With kevlar reinforcing the BARE mast section weighs 8.6kgs for a 25' length section (you can do the equivalent maths conversion - though somewhere near 10 to 11 kg for an F16 BARE length) the 25' length fitted is 10kg (plus or minus) for a section for an F16 the per metre weight would probably increase slightly as we would modify the ratios of the laminates