Complete hone for brake, master and wheel cylinders 3/4 through 2-1/2" capacity, with 1-1/8" medium-grit stones. Multi-purpose set includes 3 complete hones and 1 set of 2" stones. Complete hone for small car brake wheel cylinders Complete hone for small car brake wheel cylinders 1/2" through 1-3/4" capacity, with two 1-1/8" medium-grit stones. Complete hone for disc brake caliper honing. 1-1/4" through 3-1/2" capacity, with 3/4" medium-grit stones; also ideal for lawn and garden small-engine cylinder honing when used with three 2" medium-grit stones.