Criterion DBL-202 2-inch diameter precision offset adjustable boring head made in the USA, designed to hold 1/2-inch boring bars.
Specifications
• Head Diameter: 2 inches
• Boring Bar Hole Capacity: 1/2 inch
• Cross Hole Capacity: 1/2 inch
• Distance Between Hole Centers: 5/8 inch
• Adjustment/Graduation: 1 division = .001 inch
• Maximum Offset: 5/8 inch
• Back Mount: Threaded 7/8"-20 TPI (allowing interchangeable shanks like straight shanks, CAT40, R8, etc.)