Blue Point Fasteners Low Velocity Load, Caliber Load: 0.27, Power Level: #4, Load Type: Long Strip, Color Code: Yellow, 6.8 mm Dia, 11 mm L, Suitable for: BP301, BP450, POWERS P3500, PA3500, P3600, RAMSET SA270, Viper, Cobra, Rocket, XT540, Hilti DX350, DX36M, DX451, DX460 27 Caliber Powder-Actuated Tools