Insert Style: :TNMG Takes Insert: :TN..16 Shank Size (mm): :25×25 Approach Angle (): :91 Cutting Hand: :Right Grade: :M4PW Application: :External Turning ISO Code: :MTFNR2525-M16 Manufacturer Part Number: :EDG-10095E Brand: :MSC Edge MTFNR2525-M16 – External right hand turning tool holder with a 91 approach angle and takes a TNMG1604.. insert. This tool holder has a top clamp to secure insert during use.