REMOVING BOLTS FROM AIR LIFT IN ORDER TO CHANGE THE LINER. USING 1/2 INCH IMPACT WRENCH, WHEN IT SLIPPED SMASHING MY FINGER BETWEEN THE WRENCH AND THE AIRLIFT. FOR PREVENTATIVE/DIAGNOSTIC EVAL UATION MEASURES EMPLOYEE WAS SENT TO CLINIC FOR XRAYS. RESULT - NOT BROKEN. **RESTRICTED DUTY ONLY** INJURY REPORT.