Garryson DIY Zirconium Flap Disc 100mm x 16mm - 40 grit Coarse
is no longer available although you may find similar or newer versions below:
Flap discs have been developed primarily as an alternative to sanding discs and can be fitted directly onto an angle grinder without a backing pad.
Lasting up to 25 times longer than sanding discs they also provide a much better finish which will remain constant throughout the life of the disc.
These zirconium flap discs suit the majority of metal grinding applications.