KAMSIN ST38 Pneumatic Concrete Nailer, 14 Gauge, 3/4 Inch - 1-1/2 Inch (18mm-38mm)[Compatible Nails Type] 14 Gauge Concrete T Nails from 3 4" to 1 1 2" (18 mm to 38 mm) Length [Equipped with Safety Lock] Without opening the safety lock next to the trigger the nail will not be shot to avoid accidental firing. [Lightweight and Durable] Weighs only 4. 63 lbs (2. 1 kg) much lighter than the ST64 model. The aluminum body and metal magazine ensure durability and resistance to breakage. [Humanized Design] The magnetic muzzle adheres to