Tool-less blade change - Lithium-ion batteries have greater life spans than their Ni-MH or Ni-Cad counterparts giving 430% greater run time - Lithium-ion's 40% weight saving means 18 volt power can be obtained by a battery that weighs the same as a 12 volt Ni-MH battery - High comfort grips - LED job light that creates and easy to trace cutting line - Smooth and powerful cutting at the high stroke speed of 2,600spm.