Narrow Crown Staples, Type Heavy Duty, Crown Width (In.) 27/64, Leg Length (In.) 3/8, Fits Wire Dia. (In.) -, - Gauge, Galvanized Steel, Silver, For Use With Nos. 1FBC6, 1FBC7, 1XHU8, 3FRA6, 3FRA7 Staplers; 1FBC5, 1XHU9 Tackers, -, Package Quantity 1000