we can supply various types and various sizes of internal turning tools, threading tools, parting & grooving tools.Such as: P type external turning tools,P type internal turning tools, S type external turning tools, S type internal turning tools, M type external turning tools, M type internal turning tools, W type external turning tools, W type internal turning tools C type external turning tools, C type internal turning tools D type external turning tools,D type internal turning tools external threading tools, internal threading tools parting off blade and block, cutting & grooving tools