OMAS K408 Adjustable Groover 21.0 - 37.0 mm with replaceable tips.
This tool set can be used as an adjustable groover. Each set consists of two interlocking tools fitted with grooving cutters and scribes for a clean side face. The spacing of the discs can be varied using the shims provided making the tool adjustable.
The tools can also be reversed to produce tenons with up to the minimum size of the groove.