Faithfull FAIOS4C Combination Oilstone Aluminium Oxide 100 x 25 x 12.5mm

Designed specially for use by carpenters and joiners.
Combination oilstones are made from aluminium oxide.
For use with oil when sharpening chisels and plane irons.
Size: 100 x 25 x 12.5mm (4 x 1 x 1/2in).
Grade: Fine / Coarse.