Prime Source 158PCDW5 Phosphate Coated Drywall Nails Prime Source 158PCDW5 Phosphate Coated Drywall Nails Features: A very sharp point and a thin shank for installing gypsum wall board Cupped head for easier covering during the taping process Phosphate coated drywall nail 138PCDW1: 1-3/8" length, 1 lb box, 313 per lb 112PCDW: 1-1/2" length, 50 lb box, 290 per lb 158PCDW1: 1-5/8" length, 1 lb box, 280 per lb 158PDCW5: 1-5/8" length, 5 lb box, 280 per lb