Mazak Boring Bar Holder 53378010304 1.5 Id Qtn 250/200 New. This particular one is scratched up from being in the vid mar drawer but in new condition other than that.Closing shop due to covid. Please look at my other auctions. The item "Mazak Boring Bar Holder 53378010304 1.5 Id Qtn 250/200 New" is in sale since Thursday, March 25, 2021. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Bar Holders". The seller is "crazycooder" and is located in Fort Wayne, Indiana. This item can be shipped to United States.