The nail is a standard wire diameter, hardened material, no staples, no nails, and constant nailing. Suitable for nail guns. Can be used to cement walls, trunking, bricks, wood, thin metal sheets (tubes), etc. Features: 1. The nail is a standard wire diameter, hardened material, no staples, no nails, and constant nailing. 2. Suitable for nail guns. Can be used to cement walls, trunking, bricks, wood, thin metal sheets (tubes), etc. 3. Different size can meet different using needs. 4. High quality material and exquisite process, durable and precise. 5. 1300 rounds nails can be used for a long time. Specification: Model Nominal size Actual size (Excluding the cap ) Actual size (Including the cap) FST15 15mm / 0.6in 13.4mm / 0.5in 15.4mm / 0.6in FST30 30mm / 1.2in 27.4mm / 1.1in 29.7mm / 1.2in FST50 50mm / 2.0in 47.2mm / 1.9in 49.2mm / 1.9in Package list: 1300Pcs * Nails Note: FST type straight nail. Only for FST type straight nail gun. 1、The nail is a standard wire diameter, hardened material, no staples, no nails, and constant nailing. 2、Suitable for nail guns. Can be used to cement walls, trunking, bricks, wood, thin metal sheets (tubes), etc. 3、Different size can meet different using needs. 4、High quality material and exquisite process, durable and precise. 5、1300 rounds nails can be used for a long time.