Specification Brand : Miriam Song BulletPoint1 : [POWERFUL FUNCTION]: Enhance engine performance by effectively removing metal protrusions inside cylinders, leaving a smooth surface for improved performance and extended lifespan. BulletPoint2 : [HIGH-STRENGTH MATERIALS]: Made of sturdy materials ensuring stable and excellent grinding performance, providing long-lasting smooth surface treatment effects. BulletPoint3 : [EASY INSTALLATION]: 3-inch stones are easy to install, 10mm wide, convenient to insert into your cylinder hone tool, and remove for storage. BulletPoint4 : [WIDE APPLICATION]: Versatile use as a replacement for engine cylinder hone stone, compatible with various engine cylinder hone stone mounts, making it a practical repair tool. BulletPoint5 : [EFFICIENT PROCESS]: The hone stone's structure enables quick and streamlined process, saving time and energy during engine maintenance tasks, enhancing user productivity. Color : AS SHOWN FitType : Universal ItemName : 3Pcs 3in Engine Cylinder Hone Stone with Screws Replacement Set,3 Arm Cylinder Honing Stones Tool ItemPackageDimensions_Height : 13 centimeters ItemPackageDimensions_Length : 1.6 centimeters ItemPackageDimensions_Width : 6.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : honing-stones Manufacturer : MIRIAM SONG Material : Stone ModelName : MIRIAM SONGnt531fagcy ModelNumber : MIRIAM SONGnt531fagcy PartNumber : MIRIAM SONGnt531fagcy ProductDescription : Item Type: Cylinder Hone Stone Material: Metal + Grinding Stone Size: Approx. 3 inch / 7.62 cm Fitment: Can use with other engine cylinder hones stone mounts Package List: 3 x Cylinder Honing Stones 3 x Screws