Suitable for metal, paint, varnish, filler, and wood. Fast cutting for a finer finish. Can be used for wet and dry sanding. Use wet to reduce clogging for smoother sanding. Silicon Carbide abrasive with B weight backing. 1 x coarse, 2 x medium, 1 x fine. 275 x 225mm. Pack of 4. Ref: UTST6321