Centers: 2 1/2" (64mm), Width/Overall: 3 1/4" (82mm), Height: 3/4" (18mm), Projection: 1/4" (7mm)Centers: 5" (128mm), Width/Overall: 5 3/4" (146mm), Height: 3/4" (18mm), Projection: 1/4" (7mm)Centers: 8 7/8" (224mm), Width/Overall: 9 1/2" (242mm), Height: 3/4" (18mm), Projection: 1/4" (7mm)Centers: 12 5/8" (320mm), Width/Overall: 13 5/16" (338mm), Height: 3/4" (18mm), Projection: 1/4" (7mm)Centers: 21 1/4" (544mm), Width/Overall: 22 1/4" (562mm), Height: 3/4" (18mm), Projection: 1/4" (7mm)Screw: M4 x 1 3/4 (45mm) Break-offMaterial: Zinc Diecast