The Goodson Tools and SuppliesBucket Lifter Grinder, No. BLG-1000, is designed to enable the user to measure once, then remove the material from inside the bucket lifter instead of machining the stem height and finding the right VAD thickness or grinding the seat to meet their specs. The micrometer feed shows how much material is being removed. The tool works with most bucket style lifters, including with VADs. The Bucket Lifter Grinder assembly includes an air driver, CBN cutter, micrometer feed body, dial indicator, and indicator base.