Greenlee 660 Features: -Quick change arbor allows you to change cutter head with a simple push and a turn. -Ejector spring on all sizes above 3/4 inch’ makes removal of slug easier. -Flange stop prevents over-drilling. -Minimum chuck size of 3/8 inch’. Use: -Cut Out Tools. Dimensions: Overall Product Weight: -1.3 pounds.

• Flange stop prevents over-drilling
• Ejector Spring on all sizes above 3/4-inch makes removal of slug easier. Minimum chuck size of 3/8 inch (9.5 mm)
• Replaceable, cobalt-steel pilot drill with split-point tip to prevent walking
• Precision carbide teeth for optimum performance and durability
• Includes 5 cutter heads, arbor, hex key and case.Dimensions 7/8 inch, 1-1/8 inch, 1-3/8 inch, 1-3/4 inch and 2 inch cutter heads