3-Pack! 1 Inch Diameter Super Plus Quality Laser Welded Diamond Core Bit For Wet/Dry Drilling Concrete, Asphalt and Brick Stone Pavers

• All bits are 17" long to produce 12" core 
• Bits
• Bits 5/8" to 1-1/2" have 5/8"-11" thread
• Bits1-3/4"and larger have 1-1/4"-7" thread.
• Laser wielded, Segment height 0.400"