Adjustable, durable, and quieter operation — engineered for reliable performance in demanding construction and fastening tasks. Key benefits Precise control: Three adjustable strength levels let you match force to different construction requirements, reducing fastener damage and improving accuracy. Longer service life: Industrial spring treated at high temperature retains strong elasticity and resists deformation, so the mechanism stays consistent over extended use. Less downtime and overheating: Built-in automatic slag discharge hole expels most gunpowder residue and heat, cutting cleaning frequency and lowering the risk of clogging or overheating. Reduced noise and operator fatigue: External sponge soundproof cover combined with an internal thickened steel plate significantly lowers operational sound for more comfortable and compliant work in confined or busy sites. What makes it stand out Function: Clear, three-step strength adjustment for flexible use across different materials and fastening needs. Materials and construction: High-temperature-treated industrial spring, sponge acoustic cover, and reinforced steel plate work together for durability, stable performance, and sound reduction. Performance: Automatic slag discharge improves reliability and maintenance intervals; spring resilience maintains consistent force over time. Practical applications Concrete and steel fastening on construction sites where controlled impact and low maintenance are required. Interior fit-out or renovation work in occupied buildings where reduced noise improves worker comfort and minimizes disruption. Repetitive fastening tasks where consistent strength and fewer cleanings increase productivity. Design considerations Compatible with varied construction requirements thanks to the three-level strength adjustment. Robust materials and automatic slag removal focus on long-term reliability rather than frequent parts replacement or cleaning. Sound reduction features help meet site comfort and noise-control needs without sacrificing performance.