14-20 Lathe Swing CA Wedge Type Quick Change Tool Post Set 250-401 Holder. 14 – 20” High Precision BXA Wedge Tool Post Set CNC Quick Change Lathe Holders. Lathe Swing: 14 – 20′. Hex Key Size: 1/4′. Set Includes 6 Piece: 250-444 Tool Post Holder, 250-401 Holder, 250-402 Holder, 250-404 Holder, 250-407 Holder, 250-410 Holder. Tool Post and Tool Holders. 1 250-401 Turning Tool Holder, Use Tool Bit 1/2” to 1′. 250-402 Boring, Turning Tool Holder, Use Tool Bit Up To 1” And Round Shank Boring Bars Up To 13/16′. 250-404 Heavy Duty Boring Bar Holder, Can Use Both 1 And 1-1/4” Shank Boring Bars No. 7 250-407 Parting Blade Tool Holder, Use 7/8” High Parting Blades. 10 250-410 Knurling and Turning Tool Holder, Use Short Tool Bit 1/2” to 1′. Precision-Engineered To Assure Repetitive Accuracy. Quickly And Easily Installed On An Engine, Bench, or Turret Lathe For a Wide Range of Operations. Packaging Dim L x W x H (in). 12 x 12 x 6 Estimated.