The DT-5.2 is engineered and built to accurately face front or rear disc brake mounts so they are precisely aligned to the rotorFaces any IS mount, Post mount, or new Shimano Flat Mount, including low clearance, and chainstay mounts Telescoping axle adapters allow use with any of the open or thru axle dropouts and dropout widths including Boost 110, Boost 148 and all fat bike axlesIncludes two facing cutter - one for IS mounts and one for Post and Flat mountsPrecisioned machined partsIncludes storage caseDisc Brake Facing SetDT-5.2UPC/EAN/GTIN: 763477002969