This is a used Boring Head in GREAT condition. Provides all the advantages of a large capacity tool without the weight and bulk. The 2-hole bar holder increases the boring range and eliminates the need for anextreme offset adjustment. The 1" cross hole and the two vertical holes accept boring tools or bars with a 1" shank diameter. A 1-1/2 - 18 threaded back permits the use of a variety of shanks.Distance Between Hole Centers: 1-1/4. Outboard Hole Boring Range: 3" to 7". Cross Hole Boring Range: 5.625" to 13.437". Overall Length (w/ shank): 8-1/2. Comes as shown in pictures.