THE SIZE RELATES TO THE JAW WIDTH. THE 3 WAY VICES CAN BE USED ON ALL THREE AXIS. This item is in the category "Business, Office & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Vices\Drill Press Vices". The seller is "rdg355" and is located in this country: GB. This item can be shipped worldwide.