Accurate AGD Dial Indicator Extension Points

• Made of the highest quality cold rolled steel, carefully knurled for ease of placement and finished with a high quality protective finish.
• Fits standard AGD indicators, #4-48 thread.
• Tip Diameter: .218″
• Made in the U.S.A.

57-030-130 Includes:
(1) Each: 1″, 2″ and 3″ indicator extension points