PAD SHAPE: NarrowBRAKE TYPE: 4-PistonCOMPATIBLE MODEL: BR-M9120, BR-M8120, BR-M7120COMPATIBLE SERIES: XTR M9100 Series, DEORE XT M8100 Series, SLX M7100 SeriesSome Shimano products are purchased in bulk to ensure lower prices can be offered to customers. So some products may arrive in clear plastic bags not the standard blue Shimano packaging.