This bosch pro x-lock r574 fibre sanding disc is supplied as a single 125mm disc in a 120g fine grit the finest option in the range, designed for surface finishing, light blending, and final preparation before coating or painting on metal workpieces. The 120g grit is the go-to choice when the goal is a clean, smooth surface profile rather than heavy stock removal. Even at this finer grade, the self-sharpening zirconia grains continue to deliver consistent results, with the disc outlasting the bosch r444 by up to 1.7X. The vulcanised fibre backing maintains the stability and flat-surface capability that defines the r574 range reliable even at finer grits where control matters most. Fits x-lock angle grinders with a quick click, or standard nut-and-thread models via the 22.23Mm bore. Features and benefits: fine 120g grit for finishing, blending, and pre-coating surface preparation self-sharpening zirconia grains ensure consistent results to the end of disc life vulcanised backing provides stability for precise, controlled flat-surface grinding compatible with x-lock and standard nut-and-thread angle grinders requires a suitable backing pad specifications: diameter: 125mm grit: 120g bore: 22.23Mm quantity: 1 contents: pack of 1