Made of High Quality Tool Steel , this is a high quality product for your lathe machine * Used for threading and tapping purpose on the lathe machine * Die Holder Sizes 13/16 , 1 & 1-1/2 . Tapping Capacity of the Tap Wrench : 1/16 to 1/4 & 1/4 to 1/2 * Die Holder Sizes 13/16 , 1 & 1-1/2 . Tapping Capacity of the Tap Wrench : 1/16 to 1/4 & 1/4 to 1/2 * Comes in MT3 Shank, that goes inisde your lathe tailstock & intended job for threading / tapping is hold in rotating chuck. * The Die for threading purpose is hold in the various Die holder sizes. The internal bore threading/ tapping is done by mounting the tap wrench head as per tap size between the above advised range is moved toward the rotating job in the lathe's chuck. Made of High Quality Tool Steel , this is a high quality product for your lathe machine Used for threading and tapping purpose on the lathe machine Die Holder Sizes 13/16 , 1 & 1-1/2 . Tapping Capacity of the Tap Wrench : 1/16 to 1/4 & 1/4 to 1/2 Comes in precisely ground MT3 Shank, that goes inisde your lathe tailstock & intended job for threading / tapping is hold in rotating chuck. The Die for threading purpose is hold in the various Die holder sizes. The internal bore threading/ tapping is done by mounting the tap wrench head as per tap size between the above advised range is moved toward the rotating job in the lathe's chuck. ASIN B08FXTSWDG Size MT3 Color Epoxy Black & Ground Finish Finish Epoxy Black & Ground Finish Material Tool Steel Item Weight 3.18 pounds Part Number ALTTDH-03.DTW Manufacturer Assort Machine Tools Co Power Source hand_powered Item model number ALTTDH-03.DTW Batteries Included No Batteries Required No Package Dimensions 8.31 x 3.15 x 2.44 inches Included Components Threading & Tapping attachment-lathe tailstock die holder set (MT3) Item Package Quantity 1