FIRST OF ALL, WE OFFER YOU LIFELONG WARRANTY FOR THIS MACHINE. YOU CAN REACH USEVEN 5 YEARS LATER IF THERE IS A PROBLEMWITH THE MACHINE!!! WE KNOW HOW HARDLY YOU EARN YOUR MONEY!! WE GUARENTEE THAT TB15B IS MUCH BETTER THAN OTHER DRILL-CRACKERS.YOU CAN FEEL THE QUALITY OF THE MATERIAL ANDTHE PAINT T..