Is 2.8 KGS/set (6.16LBS) in weight. (Some manufacturers in China call it other model). Ab is a new model which is between Aa and A1 model. This listing is for a special Ab kit. This kit includes 1 X Ab tool post, 6 X turning tool holders AbD1665 and. 1 X tool post wrench, 1 X tool holder wrench. Not includes boring tool holder. Ab can be installed on. BV20, SINO210V, WM250V, 280mm swing lathes, etc. For lathe's turning diameter is from 130mm to 300mm5.1. What we can sell is tool post set and holders with grey and blue painting. (Red painting is specially made for some ...