40 position Multifix type Quick Change Lathe Tool Post. 1 external threading tool holder, not include threading blade. Net weight:1.7 KGS Gross weight: 1.8 KGS. Have sales in mainly in Australia and some European countries, etc. Internal threading tool holder EFI is also available. It's listed in another listing. To be frank, i don't know how EFE works and what insert can fit with it. If you know, please advise. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Quick Change Tool Post". The seller is "sino-sd"...