About This

Uses premium zirconia grains. Each disc performs fast, smooth grinding and a long life.
10 PACK OF DISCS – This is a ten pack of 4inch zirconia alumina, fiberglass backed flap discs.
ZIRCONIA FLAP DISCS – Our durable fiberglass backers are designed to handle high pressure and absorb vibration, giving the user a balanced, smooth grind. PROFESSIONAL PERFORMANCE – We use premium grains and cloth sourced from all around the world. Each flap disc is 4” x 5/8” and can should be used with a compatible angle grinder.
SATISFACTION GUARANTEE – Benchmark Abrasives is proud to stand behind our products. If for any reason you are not completely satisfied, please contact us right away and we will make it right.
Signi heavy-duty high strength flap discs for 4-inch angle grinders， with four different grits, ranging from coarse(40#) to fine(120#). These flap discs are made with a durable fiberglass backing , can bring a smooth grind with minimal vibration. It can be used for all types of metal and steel.