Metal lathe chuck. Specifications:Model: 3507Diameter: 7-1/2"Jaw Style: 3 Jaw Self-CenteringAdapter Plate: Plain BackThrough Hole: 2"Condition: Good Working - UsedCushman 3507 7.5" Self-Centering Chuck Plain Back 3 JawSKU: B3$144.99PriceQuantity*Add to CartBuy Now