Range: .185″ to .240″ (4.7mm to 6.1mm).
Use these mandrel adaptors with your Sunnen Honall Hone Head. Use with K, BL, AK, or BAL Mandrels .
To use the PSK6-A Adaptor with the Sunnen Honall for valve guide honing, you must use this stone retainer (LN-3087C) in place of the one that comes with the adaptor.