PISTON TYPE TOOLPOST SET (Wedge Type) for Lathes upto 12" Swing 1Pc Standard Holder 1Pc Boring Holder (For Smaller Diameter Boring Bars) 1Pc Boring Bar Holder (For Diameter upt 3/4") 1Pc Knurling Holder 1Pc Parting Holder (For Blades width from 3/8" to 1/2", Adjustable) 1Pc Main Block with 2 Working Stations This Set Also Includes Mounting Plate & Bolt so that this Toolpost.