Check the listing for details. ER40 Threaded 5" Drive Plate System. Condition: New. Listed at 149.00 USD. https://youtu.be/kI6QwWjDZk8The 5" Drive Plate System can be used as is, or modified for ANY ER40 threaded nose device of your choice.Please Note that the "ER40 Rotary Table Indexer" shown is Not Included Use it for Driving/Indexing/Fixturing, or whatever your need is. In the box: (1) ER40 Threaded 5" Drive Plate with pre drilled and tapped holes (1) (3" ER40 Threaded Drive Nut with pre drilled and tapped holes (4) #10-24 mounting screws Flat Socket Head (4) #10-24 mounting screws Hex Head Bolts Instructions + the 3 B/C Diameters for the (12) pre-tapped #10-24 holes on the 5" Drive Plate are 2 ½?, 3 ½?, and 4 ½? Please see our listing for the CNC ER40 Indexer Rotary Table that we also sell that will work with this 5? Drive Plate System Made and Coming to you from Canada! FREE Shipping to Canada and USA (Lower 48) Contact us for anywhere else Special $149.00