The efco DS 2400 D split-boom shaft extension makes it possible to increase the length of the drive tube in order to reach taller hedges and branches. Recommended for pruner and hedgetrimmer applications. 21.7cc 1.2 HP 2-stroke engine: featuring generous torque output with a linear power curve even at low revs. Machine equipped with “no tools” quick fit system: a device designed to enable installation of 4 different applications without the use of tools. Easy On double spring assisted starter assembly means less effort to start. Allows for an extended 30″ to reach taller hedges and branches. Shaft extension sold seperately from Powerhead. Specifications: Displacement 21.7cc Power 1.2 HP Additional Length 30″ Additional Weight 1.5 lb.