2-3/4 inch x 25 YARD P180 180 grit PSA Sticky ROLL GOLD RESERVEBrand new in factory packaging.Official NORTON brand---not a knockoff.Works perfectly with the DuraBlock sanding blocks that come in Kits AF44A & AF44L Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.