“Bare Tools” are sold without batteries or chargers, making them ideal for users who already own compatible power sources. However, if you don’t already have the required battery and charger, you must purchase them separately. Powerful motor: drives up to 420 nails per charge** No need for compressors: fully cordless design eliminates the need for compressors, hoses, and costly gas cartridges For various conditions: provides firing power in various climate conditions or materials Ease of use: tool-free jam and stall settings for ease of use Optimal balance: lightweight with optimal center of gravity providing balance and comfort during use