Ball Slide Assemblies - Inch Family: C Model: C-.5 Price: $ 95.00 - Clear Anodize - Standard The standard finish is a clear anodize carriage and black anodize base. Black anodize carriage and base is available at no extra cost. Carriage 4 Holes (I) : 2-56 UNC-2B Thread Base Hole d : 2-56 UNC Base Hole D1 : - Base Hole h : - Counter Bore Screw Size : N/A