THE HEAVY DUTY® METAL GEAR BOX DELIVERS AN INDUSTRY LEADING 950 LBS OF PUSHING FORCE FOR THE HIGHEST VISCOSITY MATERIALS. THE M18 ADHESIVE GUN KIT OFFERS BOTH A REMOTE SPEED DIAL AND A VARIABLE SPEED TRIGGER THAT OPTIMIZES THE USER'S CONTROL OVER BEAD AND FLOW RATE. MILWAUKEE'S INDUSTRY LEADING MOTOR AND ELECTRONICS TECHNOLOGIES HAVE CREATED A NEW CONSTANT FLOW TECHNOLOGY THAT ALLOWS FOR A STEADY FLOW RATE AT 0-21 IPM THROUGHOUT USE OF THE ADHESIVE GUN. THE ANTI DRIP CLUTCH INSTANTLY STOPS MATERIAL FROM EXPELLING AFTER TRIGGER RELEASES AND SAVES THE USER TIME AND MONEY AVOIDING A MESSY CLEAN-UP. A ROTATING QUICK CHANGE COLLAR INCREASES THE EASE OF USE AND THE ABILITY TO CHANGE OUT ADHESIVES QUICKLY AND WITHOUT CLEAN-UP. THE 2641-21CT ACCEPTS ALL MILWAUKEE® QUICK CHANGE FRONT ENDS AND ALL M18 BATTERIES. THE MILWAUKEE® REDLITHIUM BATTERIES INCREASE RUN TIME ALLOWING A USER TO DISPENSE OVER 200 TUBES OF GENERAL CONSTRUCTION MATERIAL ON A SINGLE BATTERY CHARGE.