Note: The package contains only the product portfolio you choose, and does not include all products You can rotate the inserts when one side of the inserts are worn out You can replace the new inserts when all the sides of the inserts are worn out, you can buy the replaced inserts easily. You can buy a aluminum alloy handle and set the turning tool together, it is light weight and strong. For processing : steel parts., Manufacturer: VHxcvDG