Makita XGC01M1C 18V LXT Lithium-Ion Cordless Caulk and Adhesive Gun Kit with One 4.0 Ah Battery, 29 oz (Discontinued by Manufacturer) 5-speed dial optimizes flow rate from 0-66 IPM Variable speed trigger allows user to match speed to the application 360Degree rotatable cartridge holder fits 29 oz. cartridges Drip-reduction feature automatically relieves pressure on the material when trigger is released to prevent unintentional dispensing Overload indicator light notifies the operator when tool is nearly overloaded to minimize breakage of the sealant cartridge