1、5 Speed Power Adjustment: 5 level power control, adjustable to suit different design requirements. The low speed reducer is suitable for soft surfaces, while the high speed reducer has high penetration and is suitable for high hardness substrates. 2、Noise Reduction, Easy to Use: Our nailer tool has good sound attenuation. Thickened steel mufflers reduce noise, are safer. It is easy to use, suitable for professional or novice,and make the building environment more comfortable without disturbing family members or neighbors. 3、Lightweight Design: This mini nailer tool is only 33cm in length, caliber 7.3mm and less than 1kg, which can use with 1 hand. Convenient shape, smooth work, easy to carry to different scenes. Thanks to the unique technology, there is no need to carry additional energy or gas bottles, including a power supply. 4、Small Head Design: This steel nail wall fastening tool adopts a small head design of alloy steel, suitable for 16 slots, 20 slots, and row slots. The reinforced and thickened alloy steel firing pin supports the installation of nozzles of different sizes, which makes it suitable for nailing on fixtures of different sizes. The detachable design of the handle ensures that it can be connected to an extension rod. It can be done without climbing. (Extension rod not included) 5、Wide Applications: With strong penetration force, the tool for concrete only takes 0.1s to pierce a 3mm steel plate in one step. Suitable for camera installation, electric box installation, water and power installation, and hanging picture frame, multifunction shelf, small junction box, pipeline installation, wire binding, etc. Item Type: Nail Wall Fastening Tool Material: Carbon Steel, ABS Weight: Approx. 1090.00g / 38.45oz Length: 33cm / 13.0in Caliber: 7.3mm / 0.3in 1 x Nail Wall Fastening Tool 100 x Round Nails 3 x Springs 2 x Screw Caps 4 x Accessories 1 x Instruction Manual