1000 Pack,1-1/2" Porta Nails, Approximately 200 SQFT Of 2-1/4" Strip Flooring, Exclusive Shark Like Serrated Tooth Nail Design Provides A Tighter Biting, Longer Hold. For Use In Porta-Nails 402 True Value #627-711, 403 True Value #627-885, 421 True Value #651-240,& 470 True Value #705-816.