Center to Center: 3", Length: 3-3/8", Projection: 1-1/8"Centers: 96 mm, Length: 4-1/8", Width: 3/8", Projection: 1-1/8"Centers: 128 mm, Length: 5-3/8", Width: 3/8", Projection: 1-1/8"Centers: 160 mm, Length: 6-5/8", Width: 3/8", Projection: 1-1/8"Centers: 192 mm, Length: 7-15/16", Width: 3/8", Projection: 1-1/8"Centers: 224 mm, Length: 9-3/16", Width: 3/8", Projection: 1-1/8"Centers: 320 mm, Length: 12-15/16", Width: 3/8", Projection: 1-1/8"Centers: 448 mm, Length: 18", Width: 3/8", Projection: 1-1/8"Two 8-32 Screw (Included)Material: ZincMade In: China