Use these Porta Nails 1-1/4 in. x 1/4 in. 18-Gauge Metal Crown Flooring Staples (5,000-Pack) when installing 5/16 in. to 1/2 in. engineered, bamboo and solid hardwood floors. The staples are coated with glue to enhance their holding power. Includes 5,000 flooring staples per pack. These thin staples help reduce the splitting of tongues on bamboo and exotic hardwoods. Electro galvanized metal construction for durability. Cover approximately 1,000 sq. ft. of 2-1/4 in. flooring and roughly 1,500 sq. ft. of 3-1/4 in. flooring when following a fastening schedule of 6 to 8 in. Compatible with Porta Nails Model #461A 18 Ga Floor Stapler.