I think it is a tapping head. The pictures show all that is included and the condition so please look close. Please see my other auctions for more tools items from a local estate. I tried to take photos of the parts that came with it. PLEASE SEE THE PHOTOS FOR THE BEST DESCRIPTION. PLEASE KNOW THAT I TRY TO SATISFY ANY AND ALL OF MY CUSTOMERS. I ANSWER ALL EMAILS AND WILL TRY TO WORK WITH YOU AS BEST I CAN. I WILL, HOWEVER, NOT BE BULLIED OR BLACKMAILED.