Overview Reviews Product Description Thick handles for easy lapping. 21100 has 1-1/8" and 1-3/8" diameter cups for larger valves. 21200 has 5/8" Lisle Tools Catalog Product Videos Custom Field Harmonization code HTS #3926909980 Manufacturing country US Product Reviews Write a Review Write a Review × Lisle 5/8" Valve Lapper 21200 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *