Galvanized staples for use with PNIs 461 Flooring Stapler or any Tool requiring 1/4 in. Crown, 1 in. x 18 gauge staples. This is the most efficient and cost effective method of installing engineered flooring and provides for the tightest floors possible. The 1 in. staple is recommended for 5/16 in. to 1/2 in. thick engineered and solid hardwood floors. The staple can also be used for all of the around the house projects when you need to fasten or staple. Galvanized for interior or exterior use and designed for long life. Packed 5,000 per carton. Each pack will cover approximately 1000 square feet of flooring when following a fastening schedule of and spacing of a fastener every 4 to 6 in. Always follow the flooring manufactures recommendation for the length and thickness of the fastener to be used. PortaNails, Inc. is a member of the National Wood Flooring Association and will answer your installation and applications questions.