Original Mind kit mill A T-slot in the table of AST 200 T-nut is suitable for Blockson's cross table No.27150 height free clamp no.24258. Others are not looking. The size is also 60 x 20 mm and 6 mv. It is easy to handle. It is a wooden box, with a Broxon logo. Other T slot nuts are 10 millivolts and can not be used.