• Shank: 3/8" Hex

• For Use With All Holesaws 9/16" To 6-3/8"

• Spinlock Features For Tool-Less Changes Between Holesaw Sizes

• Comes With 7 In 1 Multi-Material Carbide Tip Pilot Bit

Warning this product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.