This fuel and nail combo packs include 1,000 nails and one framing fuel cell that are conveniently matched to work like a fuel gauge when you drive all the nails, it’s time for more fuel. Black tip coating only available with fuel + nail packs 2-3/8 in. and longerMaximum holdingAlso available in 3,000 nail quantity with 3 fuel cells and adapters30 degree collation angleCode recognized offset full nail head for maximum holding powerSpare framing fuelLess out-of-pocket cost, buy only what you needLonger usage life with fuel, you can leave it in the toolStrips won’t break, even in rainy weatherNo flying debris