Main Block Size is 58 x 58 x 40 mm high with a 7/16 (11.1 mm) Stud Bore. Set comes complete with 3 standard holders + 1 Boring Vee Holder and 1 Hex Spanner + 1 Allen key. Tool capacity upto 13 mm approx. This toolpost is suitable for 5/16 (8mm) or 3/8 (10mm) square lathe tools as centre height cannot be reached using larger tools.Our product is manufactured by us, we do not compromise on quality, the quality is the best you can ever get, kindly refer to the photos. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Quick Change Tool Post". The seller is "liexp68" and is located in this country: IN. This item can be shipped worldwide.