Inserts into the SwapTop work surface to hold the sponge in place and provide lubrication to grinder bits while working.
- Sponge feeds coolant from reservoir to grinding head
- SwapTop BitSerts are designed to keep sponge in proper position while grinding
- Keeps your diamond bits lubricated for longer life
- For use with 3/4" and 1" standard grinding head, all grits
- Use in SwapTop grinder conversion kit