1. quality. The spray is made of solid metal, and the barrel is explosion-proof, safe and durable. 2. Clever and convenient. Light weight, small size, one-handed operation, equipped with plastic boxes, easy to carry machines and nails. 3. Double silencers. Thickened steel muffler reduces noise, is , and the construction environment is more comfortable, and will not disturb your family or neighbors. 4. Easy to use. Hold the muffling sleeve by hand and press it back several times to remove the residue for the operation. Noise reduction effect: strong product features: small and light, operated by one person Power adjustment: 5 gears can be adjusted. Scope of application: monitoring installation, installation of air conditioning units, water pipelines, hangers, trunking, etc.- Colour:Black & Green Material:Alloy steel+rubber Size:30x11cm Package Contents: 1 * Nailing machine 1 * Accessories package 1 * goggles 1 pair * gloves Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.