Heavy-duty Sharpshooter . Flush-nose design allows stapling close to edges. Dual power for hard and soft materials. All metal drive channel for better penetration. Safety trigger lock. Solid state circuitry and double insulation. Contoured-grip for extra comfort. Drives Stanley TRA series staples, 1/4" to 9/16", and Arrow model No. T-50 size staples, plus Stanley model No. SWKBN625S 5/8", brads.