Includes 1 PieceCenters: 5" (128mm), Length: 5 7/8" (148mm), Width: 11/16" (17mm), Projection: 11/16" (17mm)Centers: 7 9/16" (192mm) , Length: 8 3/8" (212mm), Width: 11/16" (17mm), Projection: 11/16" (17mm)Centers: 12 5/8" (320mm) , Length: 13 3/8" (340mm), Width: 11/16" (17mm), Projection: 11/16" (17mm)Centers: 16 3/8" (416mm), Length: 17 1/8" (436mm), Width: 11/16" (17mm), Projection: 11/16" (17mm)Centers: 25 3/16" (640mm), Length: 26" (660mm), Width: 11/16" (17mm), Projection: 11/16" (17mm)Mounting Hardware Included: M4 x 1 3/4 (45mm) Break-off