A set of four bushes designed to allow Faithfull bench grinding wheels to be fitted to various bench grinding machines. Each bush is comprised of two parts, enabling insertion into each side of the grinding wheel. Smaller bushes can be fitted into larger ones to reduce the bore size. This set reduces a 31.75mm bore to fit the following shaft sizes: 25.4mm, 19.05mm, 15.88mm, and 12.7mm.