Micrometer Ball Attachment
• To suit the 1961, 1965 and 1966 series micrometers
• Can be fitted to the anvil or spindle on external micrometer series 1961, 1965 and 1966 to enable round or irregular surfaces to be measured
• The ball is hardened and moves freely to allow contact with the object being measured
Note: Always deduct the ball diameter from any reading.