Use these Porta Nails 1-1/2 in. x 1/4 in. Crown 18-Gauge Electro Galvanized Flooring Staples (5,000-Pack) when installing 3/8 in. to 5/8 in. bamboo or engineered flooring. The staples are coated with glue to enhance their holding power. Includes 5,000 flooring staples; 100 per clip. Electro galvanized metal construction for durability. Compatible with Porta Nails model #461A 18 Ga Floor Stapler.