EMPLOYEE STATED THAT HE HAD USED A ROOF BOLT WRENCH TO FINISH PUSHING THE DRILL STEEL INTO THE HOLE AS HE WAS DRILLING A ROOF BOLT HOLE. WHEN HE COMPLETED DRILLING THE ROOF BOLT HOLE HE ATTEMPTED TO DROP THE WRENCH AND DRILL STEEL OUT OF THE HOLE. THE DRILL STEEL FELL OUT OF THE HOLE CATCHING THE LITTLE FINGER OF HIS RIGHT HAND.