12Mm X 1.25 Helicoil Kit, m12x1.25 Spark As picture show, show

THREAD REPAIR TOOLS: Professional spark plug thread repair tools, including 10pcs x 1.25 thread inserts and a M14 x 1.25 thread tap.2. STANDARD SIZES: These repair tools have standard thread sizes, suitable for repairing spark plugs with 14mm x 1.25mm threads.3.