Excellent work efficiency. TOOL ONLY!USER BENEFITS:Variable speed control by dial and trigger switch for maximum control of sealant flow rate.300ml (supplied as standard) and 600ml (optional extra) can be used.Anti-drip function stops excess from oozing out on release of the switch trigger.Rubberized soft grip provides comfortable grip and better control.Variable Speed, Built-In Job Light and Carry Case.Battery and charger sold separately. Sealant is not included. 600ml holder is not included.