Outer Diameter(mm):115 mm/4.5 inch tile salw blade segment height:10 mm thickness(mm):1.2 mm ,maximum operating speed:13200 rpm arbor: 7/8"-3/4"(22.23 mm-20 mm) or 7/8"-5/8"(22.23 m-15.88 mm)with reducer washer Efficient:4.5'' Tile cutting blade unique turbo mesh rim blade and x teeth provide fast, precise, smooth cutting Ultra-thin: Tile disc for fast cutting and low waste Performances: Thicker center to avoid vibrations and wobbling;stiffening flange in centre ensures straight cuts Applications: FEWELL diamond saw blade is engineered for extremely smooth cutting of porcelain ,tile,ceramic . can be used dry or wet, fits most tile saws and hand-held angle grinders SPECIFICATION: 4.5" tile saw Blade Outer Diameter(mm):115mm / 4.5inch Arbor: 7/8"-3/4" (22.23 mm-20mm) or 3/4"-5/8" (20 mm-15.88 mm) Core Thickness(mm): 1.2mm Segment Height: 10mm Maximum Operating Speed: 13200 RPM Blade Material： Diamond Segment+65 Manganese Steel Application:Porcelain tile, Granite ,Marble,stone ,ceramic ect. FEATURE: 1) Hot pressed technology. 2) Turbo dry /wet cutting for all materials. 3) OEM solution & color is available for options. 4) High speed & fast cutting, smooth and long cutting life. 5) Installed for any brand wall saw machine. NOTICE: Wear all applicable safety gear when using these discs. (eyes/ears/face/hands/body/etc)