Description:
* High-grade chromium-molybdenum steel material, more sturdy and durable;
* Inner round corner design, increasing contact surface.
It is made of chrome vanadium steel (50BV30), which is strong and durable:
The sleeve contains a rubber plug to prevent the spark plug from abrasion, which can effectively clamp and disassemble the spark plug better;
Made of special technology, no internal burr, precise size;
Mirror-polished electroplating treatment, strong anti-corrosion, not easy to rust.