•Durable, free-cutting synthetic diamond abrasive •Versatile B99 free-cutting resin bond; use wet or dry; superior form holding •Should be used on low horse power (3/4 hp or less) machines •Longer wheel life vs. conventional green silicon carbide wheels •Made in ISO-certified facilities in the USA •Vitrified bond ? V99 for most durable under high grinding forces; excellent for wet, offhand finishing of carbide toolsThe 99 line of quality stock superabrasive diamond and CBN (cubic boron nitride) grinding products includes 250+ USA-made, ISO-certified wheels for stock removal to tight-tolerance, precision finishing applications. Available in resin, vitrified, metal and MSL (metal single layer) bonds.