The BLACK & DECKER Bare 20V MAX Lithium Ion Alligator Lopper Saw is ideal for cutting limbs up to 4" in Diameter, limb and branch pruning and great for storm clean-up. This bare-tool unit is compatible with 20V Lithium battery, providing up to 150 1-1/2" diameter cuts per charge and long battery life year after year (battery and charger not included). The heavy-duty cutting bar and chain quickly cut branches and logs up to 4 in. thick and the patented clamping jaws grab and cut limbs and brush in one easy motion. This featured scissor-action makes cutting branches effortless. For safety purposes, the dual-hand switches must be actuated for cutting to prevent accidental starting.