/ Precision Measuring Tools / Precision Hand Tools / Micrometers / Micrometer Accessories / 247A * Not actual product image 51174 247A Micrometer Ball Attachments, .200" Diameter Balls 51174 Other similar products For 2, 226 and 230 Series Micrometers and 263 Series Micrometer Heads, .235" diameter Anvil and Spindle .235" Diameter Anvils. Features Specifications Contact Starrett Features Easily applied by snapping on to end of either anvil or spindle, thus permitting two attachments to be used together Balls are hardened, measure .200" in diameter, and move freely in the retainer, insuring positive contact with anvil and spindle Specifications : Diameter: .200" (5mm) Fits Starrett Series: For 2, 226 and 230 Series Micrometers and 263 Series Micrometer Heads, .235" diameter Anvil and Spindle