MORSE MT3838028 M22 x 2.5 OR 22MM X 2.50 RH PLUG HAND TAP HSS. HIGH SPEED STEEL 4 FLUTE. MOST HAND TOOLS ARE FULLY COVERED BY MANUFACTURER UNLESS OTHERWISE STATED. POWER TOOLS ARE ALSO COVERED BY MANUFACTURER'S WARRANTY AND ARE USUALLY HONORED AT A SERVICE CENTER IN YOUR AREA.