Rob Cosman's Mortise & Tenon Attachment Weekly Production Each blade is clearly marked

Each blade is clearly marked with its thickness in thousanths of an inch and in milimeter

and 7 planes

is a man-made synthetic abrasive

This has three significant results important to woodworkers:  It gives the wood a rich amber color

Overall Plane length 6-1/2"

Rob Cosman's Mortise & Tenon Attachment Weekly Production Each blade is clearly markedMy mortise gauge attachment easily fits into the body of my Rob Cosman Marking Gauge, my "Cosmanized" Woodriver Marking Gauge, and most other marking gauges that use a 5 16 inch diameter rod. Designed for marking out a mortise & tenon joint in furniture making. Width range between the two cutters: 3 16 inch to 11 16 inch wide. Works best for marking out cuts between 1 4 inch to 5 8 inch wide. Designed primarily for marking out the tenons but works for