【WHAT YOU GET】1 x Engine Cylinder Hone Tool with 3 pcs grind stones; 3 x Extra replacement honing stones, meeting your replacement needs.
【SPECIFICATION】Fits 1-1/4" to 3-1/2" (32mm to 88mm) diameter brake caliper bores, engine cylinders of automotive, motorcycle and industrial equipment; They can be also used on various types of engines, including those in cars, motorcycles, boats, and small engines like lawnmowers.
【MATERIAL】Made of high carbon steel for maximum strength, durability and longevity.
【DESIGN】By turning the screw clockwise or counterclockwise, the user can increase or decrease the tension of the spring-loaded arms that hold the honing stones; Durable flexible shaft, easy to use, can be automatically centered.
【APPLICATION】Suitable for removing carbon, rust, glaze, imperfections and wear from the cylinder walls to optimize engine performance.