American Sun USA made 5/8" end mill Holder 6" Extension MOD-913-4 Made in UK sets may include mixed markings

sets may include mixed markings ( Germany or W-Germany)

Straight Shank

A - Opening (mm): 500 ( about 18")

Pot magnets provide more powerful clamping than equivalent round magnets

The packages are marked with the date of 1978 when they were made

American Sun USA made 5/8" end mill Holder 6" Extension MOD-913-4 Made in UK sets may include mixed markingsAmerican Sun Inc USA made (a small American firm that made the highest quality tooling) 5 8" end mill holder 6" extension , Item No. MOD 913 4 Extends end mills for hard to reach areas use for single or double ended end mills Precision ground to assure concentricity Manufactured in the US. This top of the line tool is for all CNC or standard milling machines, manufactured of high quality alloy materials, heat treated to 60RC and precision ground for