Powered by air compressor Wide operating pressure range, 60 to 120PSI Ideal for construction, wainscoting and pallet Works with wood, cement, concrete and thin metal sheet This nailer is suitable for wainscoting or any works with Concrete or Cement. Suitable Nail types are as following: ST15 = 15mm = 5/8inch ST18 = 18mm = 3/4inch ST25 = 25mm = 1inch ST32 = 32mm = 1-1/4inch ST38 = 38mm = 1-1/2inch ST45 = 45mm = 1-3/4inch ST50 = 50mm = 2inch ST64 = 64mm = 2-1/2inch ★Piston, seal, rubbers ready stock, repair friendly! ★Works great with galvanized nails reduce the likelihood of rust or staining ★Function: Use for Concrete and Floor ★Use Tehhi high-quality nailer with our high-quality nail to enjoy "jam-free" experience ★1 Year Limited Warranty Service Type: A: [Fastest] We will send the spare part to you after remote diagnosis B: Send the product back to us, and we will do it for you