It is a professional tool for commercial or DIY use. The kit is ideal assistance for you to remove and install ball joints, bushes and bearings for numerous BMW models from 1 Series to 8 Series. This silent bearings tool set is designed for long life in daily workshop use and categorized into industrial grade. All tools are sorted it in in a blow molded case for easy storage and transportation. Silent bearing tool set for BMW, 16 pcs as below A feed rod : Length: 225 mm Thread size: M12 x 1.5 mm Hex drive wrench length: 8 mm Used for actuating the Silent bearing A spindle nut: Thread size: M12 x 1.5 mm Hexagonal drive wrench length: 19 mm A compression nut(with axial groove bearing): Internal thread size: M12 x 1.5 mm Hexagonal drive wrench length: 24 mm A support sleeve(side slits): Outer diameter: 70 mm Inner diameter 57.5 mm A support plate: Hole diameter: 12.5 mm Outer diameter 70 mm Trimmed with outer diameter: 57 mm Height 12.2 mm A pull-out pressure sleeve: Internal thread