CPSC: HARBOR FREIGHT 6 TON JACK STANDS USED FOR KEEPING A ZERO TURN MOWER UP HIGH ENOUGH TO WORK ON BRAKES. ONCE I WAS FINISHED I STARTED TO REMOVE THE ONE CLOSEST TO ME. APPROXIMATELY WAY OUT THE HEAD OF THE JACK STAND SLAMMED DOWN AND CAUGHT THE WEB OF MY LEFT HAND AND SLAMMED IT SO THAT THERE WAS AN APPROXIMATE 1 INCH DOUBLE SIDED GASH THAT STARTED BLEEDING IMMEDIATELY. *DT *JS