Powernail 5400 Series carpet staples provide superior holding power on carpet and upholstery applications. These 20-Gauge chisel point staples are 9/16 in. L with a 3/16 in. crown. They are compatible in both electric and pneumatic carpet staplers. With gray painted crowns or heads, these staples easily blend in to carpets and prevent flash through on stair work and upholstery.