115mm Rapid Blend Disc from Norton. Fine silicon carbide & flexible 2 density Unitised construction. Dimensions: 115mm x 12.7mm x 22mm. Features: Wide range of solutions for finishing ferrous and non-ferrous materials. New modified resin system. Undersized backing plate. Suitable for most angle grinders. Benefits: Excellent for fine, consistent satin finish. Longer life and more parts per disc, resists loading. Cuts more freely and with less heat than competitor. Longer usable diameter. Price per 1 disc.