For Diamond Blades with 4-Hole Mount

• Extends diamond blades beyond the grinder's arbor or to flush cut surfaces

• With 5/8"-11 female arbor to connect with grinders and polishers

• For use on any small diameter blade with flush mount hole pattern

• Easy blade changing - blade is spun on and off, no more looking for nuts

• Made of aluminum (less weight than brass)

• Four screws included.

Provides Flush Cutting & Deeper Penetration.