PORTABLE DRILL GRINDER BIT KIT, 2.0~12.5MM
1) 2.0~5.0MM(5/64"~13/64")
2) 5.0~8.0MM(7/32"~21/64")
3) 8.0~12.5MM(11/32"~1/2")
Durable Corundum grinding wheel
Use electric drill power drive
Mini and portable,practical tools
Improve drill bit usage.