Faithfull FAIOS4C Combination Oilstone 100 x 25 x 12.5mmThis Faithfull combination oilstone is designed for carpenters and joiners to sharpen chisels and plane irons. Made from aluminium oxide, it is intended for use with oil for effective sharpening. The dual-grade surface provides both fine and coarse sharpening capabilities.Features Aluminium oxide construction Suitable for use with oil Dual fine/coarse gradeSpecifications Brand: Faithfull MPN: FAIOS4C EAN: 5023969228327 Dimensions (L×W×H): 100×25×12.5 mm