High density sintered thrust block Heat treated pressure rod Rotating handle 360° Aluminum handle & trigger 2 adjustable thrust ratios: 18: 1 and 25:1 for 310ml cartridge Dripless ON/OFF switch Auto flow stop system AFS Dual power Pushing power 3000N Trust ratio 18:1 Viscosity 4,5,6 13″ PRO ROTATING CRADLE-STYLE CAULKING GUN RED