[Features] · A professional stick grindstone that boasts excellent quality, grinding capacity and ease of use. · An extensive product lineup of stick grindstones with different abrasive grains, binders, degree of bonding and particle sizes. · The composite abrasive grains of GC and WA abrasive grains allow use for everything from intermediate finishing to finish polishing of most materials. · As it uses a mixed binder made of PVA and a thermosetting resin, it has moderate elasticity and provides a uniform finished surface that causes less biting and scratches.