Weiler Tiger Angled Flap Disc 51317 - Ceramic - 4-1/2 in - 80 - Medium 012382-51317Weiler Tiger Angled coated angled flap disc uses ceramic as the abrasive material, is measured using outside diameter (OD), with the OD being 4 1 2 in, has a diameter of 4 1 2 in4 1 2 in and comes with a brush width of 4. 5 in. Weiler incorporates this ceramic material into the angled flap disc forming a grit of 80. The angled flap disc has a length of 4. 5 in. All abrasive products that rotate or spin, such as the ones in this category, have a