48 Shaper Tool Holder and Keyway Boring Bars? Tool holder in very good condition. 6 wide x 8-1/2 long. The Armstrong bar takes 5/16 cutter.Smaller bar takes 1/4 cutter (tip is beat up a bit but should be useable). The bars fit the holder but I'm not entirely certain they are ideal for keyway cutting. If you're only interested in the holder let me know and perhaps we can work out a better deal for you. Please review pictures carefully for condition. Scale for reference only, not included in listing. Thanks for looking and please check out my other listings. 48 Shaper Tool Holder and Keyway Boring Bars Armstrong" is in sale since Thursday, March 14, 2019. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Boring Tool Holders". The seller is "goingdowntheroad" and is located in Golden, Colorado. This item can be shipped to United States.