Flexovit flap discs for angle grinders flexovit 63642527528 flap discs from flexovit are ideal for use with angle grinders for sanding contoured metal surfaces blending welds deburring and finishing castings the angles of the flaps mean more abrasive makes contact with the workpiece than a conventional fibre disc so increasing productivity flexovit 63642527528 flap discs for angle grinders 125mm coarse 40g single