Overview Reviews Product Description 3" assortment includes SpinLock® backing pad SpinLock® surface conditioning disc in coarse and medium grain SpinLock® zirconia alumina resin fibre discs in 36, 60 and 80 grit. Walter Catalog Product Videos Custom Field Diameter 3" Product Reviews Write a Review Write a Review × Walter Spinlock® 3" Starter Kit 09Z993 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *