Robert Sorby 350/04 4mm Spiralling Cutter for 310H 320H 330H Acrylic Pen blanks The wood itself is a

The wood itself is a reddish brown with grey or light brown rays

Has made in Sheffield logo & text on the blade

even when the tool rest locking handle is released

Sovereign Ultima - (SOV16S-ULTS

it's designed for face turning

Robert Sorby 350/04 4mm Spiralling Cutter for 310H 320H 330H Acrylic Pen blanks The wood itself is aSpiralling Cutter 4mm Pitch The Robert Sorby 4mm Spiralling Cutter is a multi toothed cutter designed to allow the user to create a variety of spiral patterns and textures with a rib size of 4mm on bowl and spindle projects. One of a family of five cutters for the large texturing and spiralling tools. Experiment using the various pitch depths these cutters provide. With a bit of practice youll be amazed at the results. Sharpening: Use a diamond file