This a new Jacobs 3/8" Drill Chuck on a new MT0 short arbor to fit the Sherline Lathe. Chuck key is included.
These Arbors are brand new, they aren't old stock. Made of carbon steel. 1/2"-20 Tpi thread. Their very high quality. These aren't hand drill quality, their machinist quality chucks.
Auction is for 1 Drill Chuck, 1 chuck key and 1 Arbor.