... #-120# 3. 2", 3", 4.Original Manufacturer sintered alumina Flap disc with abrasive maretial AO.ZO, 4" to 7" ,customize for ... & T29 4-1/2" 7/8" 13300 T27 & T29 5" 7/8" 12000 T27 & T29 7" 7/8" 8600 T27 & T29 2. Aluminum Oxide flap ... # 15300 T27 & T29 4-1/2" 7/8" 13300 T27 & T29 5" 7/8" 12000 T27 & T29 7" 7/8" 8600 T27 & T29 T ... angle of 15-25 degrees.. sintered alumina Flap Discs 2" ,3",4",4-1/2",5",7"