7 PC Micrometer Anvil Attachment Set 7 PC micrometer set All anvils other than ball subtract .500" ; Subtract .200 for ball Being held with own reinforced neoprene boots ; All parts hardened and ground Fits any 1" to 12" micrometer anvil inch or metric Quantity: 1;Shipping Weight: 1 OUNCE;Case INCLUDED;Case dimension: 2-3/4''L x 4-1/2''W x 1''H