Z40 PowerBlend TRM T29 Trimmable Zirconia Flap Disc – 4-1/2" x 7/8"

These premium high performance zirconia grain discs ensure fast, cool cutting action and extra long life on steel and stainless steel • Exceptional durability, POWERBLEND TRM discs outlast traditional resin fibre discs up to 25 times - saving time and money • The raised hub, polymer backing allows the operator to "trim" away the backing as the outside contact area of the abrasive flap is worn away - this feature allows total use of the abrasive flaps before discarding the wheel • The special polymer backing will not contaminate the work piece • Ideal for a wide range of metal fabricating and finishing operations