For sale is a Armstrong No. 3K00 Knurling Tool Revolving w/ 6 Knurling Heads I have several knurling tools currently for sale in my eBay store. I welcome multiple purchases and can combine items into a single flat rate box for lower shipping cost. HOWEVER, due differences in size and dimensions, it might not be possible with some combinations. For multiple purchases, please contact me for an exact shipping quote. Thanks.