Overview Reviews Product Description The SPINLOCK® Quick-Change flap disc is a tough abrasive that will make short work of weld blending and finishing work. Its high performance aluminum oxide grain blend is designed to last and offer a consistent surface finish on every job. Walter Catalog Product Videos Custom Field Diameter 2" Grade 40G Max RPM 30000 Product Reviews Write a Review Write a Review × Walter Spinlock® 10 Pc. 2" 40G Flap Disc 09A204 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *