ALFA TOOLS HTLM81116 M5.0 X 0.80 OR 5MM X 0.8 LH. ALFA TOOLS. HIGH SPEED STEEL HAND TAP PLUG CHAMFER 4 FLUTE. LEFT HAND TAP. IT IS NOT INTENDED FOR CUTTING OR STARTING NEW THREADS. MOST HAND TOOLS ARE FULLY COVERED BY MANUFACTURER UNLESS OTHERWISE STATED.