EMPLOYEE WAS USING A 2-TON JACK AS A SPREADER TOOL UNDER A FORKLIFT WHEN THE PUSHING BLOCKS SLIPPED ALLOWING THE JACK TO FALL ON THE EMPLOYEE'S FINGER WHILE HE WAS TRYING TO CATCH IT. THE JACK WAS TOO LARGE FOR THE JOB AT HAND. CAUSATION: WRONG TOOL FOR THE JOB. EMPLOYEE SUFFERED A FRACTURED FINGER. NO PROPERTY DAMAGED.