3 pieces 1/4" Diamond Pancake Round Heads

(3 pieces) Head diameter:6mm or 1/4inch , shank :3mm or 1/8", gw:2.5g

Collet needed: 1/8" or adjustable

Use Water as a coolant. This extends the life and prevents melting of the diamond shards

Use with high speed craft type drills and flex shafts.