This pack of 10 professional quality aluminium oxide 115mm (36 grit) sanding discs are resin bonded to provide improved grain adhesion and performance. The heavy duty vulcanised fibre backing resists tears, making the disc more durable and able to withstand the toughest jobs. The cross-shaped centre is suitable for fitting a variety of applications. Ideal for sanding, grinding, deburring and finishing of blending metals. Also suitable for removing rust, paint and weld dressing. Compatible with all 115mm flexible backing pads.