Trend 46/010X1/4TC Rota-Tip trimmer 12.7 mm diameter
The blades of cutters Refs. 46/01 & 46/03 can be rotated through 180 degrees to provide one new cutting edge.
Blades for 46/010 can be rotated by changing blades over.
Refs 46/02 have blades that can be rotated in 90 degree increments resulting in three extra new edges.