The Milwaukee 2441-20 M12 Caulk Gun dispenses construction sealants and adhesives with up to 400 lbs. of pushing forceThe combination Variable Speed Trigger and Max-Speed dial allow for improved application speed control. The 360 degree Rotating Collar provides control around turns. The tool also features auto-reversing anti-drip, a seal puncture tool and durable hang hook for versatility on the job. This configuration is designed to work with 10oz. cartridge style material containers. Milwaukee also offers accessory conversion kits to change to 20oz. sausage packs (48-08-0905) and Quart cartridges (48-08-0910).