Weight of the model: 11 to 15,5 lb 5-7kg, length: 1020mm/40 pair. Ready to install fiberglass floats. These are the best designed, the lightest, the strongest and the easiest floats to use for RC airplanes. You can quickly convert your land based RC airplane to a waterbased RC float airplane. Illustrated instruction sheet shows you exactly how to install the floats on simple music wire struts.