THE ELECTRIC IMPACT WRENCH THAT WAS IN USE HAS AN OPENING OF ABOUT 1/2"" WIDE AROUND THE BODY OF WRENCH. THE PLASTIC GRID THAT IS MOLDED ACROSS THIS OPENING HAD A SMALL PIECE BROKEN OUT OF IT A LLOWING HIS FINGER TO COME IN CONTACT WITH MOVING FAN. WRENCH HAS NOW BEEN TAKEN OUT OF SERVICE.