Dual Arbor and Hole saw starter case kit with 3 pilot bits includes:
• Heavy duty molded case
• Carbide tipped masonry pilot drill bit
• Porcelain pilot drill bit
• 5/8”-18 thread   2-pin hole saw arbor adapter with HSS pilot bit
• Use 5/8”-18 2-pin mount for hole saws 1-1/4” and larger and ½”-20 adapter for smaller hole saw sizes 
• Case has heavy duty hinges, heavy duty handle, and a strong slide latch to prevent accident opening of the case.
• Four recessed spaces to hold hole cutters up to 2”, 2-1/2”, 3-5/8”, 4-5/8” in diameter.
• Case will hold hole cutters in the four recessed spaces stacked to a height of 3  inches.