... Height Desceiption Theoretical weight(kg) Closed(mm) Extended(mm) Light prop 1 1600 2900 48*1.8mm, 56*1.8mm 8 ... 4000 40*2.0mm, 48*2.0mm 13.10 Light prop 10 2400 3900 48*2.0mm, 60*2.0mm ... 12.50 Light prop 11 1975 2200 48*1.8mm, 60*1.8mm ... 12.30 Light prop 12 2175 2300 48*1.8mm, 60*1.8mm ... 13.05 Heavy prop 1 1600 3000 48*3.0mm, 60*3.0mm ...