BoreSmith Triangle Patches, Cal 35 thru 58, Premium Gun Cleaning Patches The patented notched triangular design does not get stuck in bore, and it reduces rod flexing 800 Triangle Patches It makes more contact with a bore wall, and it makes your gun Cleaner Faster using less patches Qty 500 in a poly bag, and patch fabric is USA-made 100% cotton flannel The patented notched triangular design does not get stuck in bore, and it reduces rod flexing Its long 3.8-inch side reaches farther down a jag, and they are used with long jags or our Jag Brush It makes more contact with a bore wall, and it makes your gun Cleaner Faster using less patches It out performs square and round patches in every way