Note: The rivet gun also works with all Makita 18V lithium-ion batteries such as Makita BL1830, BL1830B, BL1840, BL1840B, BL1850, BL1850B, BL1860B etc. 【60% Less Muscle Effort】Press the trigger, the tool will automatically rivet and eject the mandrel, reduced hand and forearm strain, an ergonomically designed handle for increased comfort, compact at only 10-3/5” long and light weight with 3.0Ah lithium-ion battery.