Secure locking performance Features a precisely crafted locking mechanism that resists tampering and attempted forced entry. The integrated lock eye increases perimeter security and provides adaptable protection for both residential and commercial fencing. Precision design for alignment and gaps Gap-specific design prevents twisting and misalignment of doors. Precise contours secure round tube frames, while flush housing closes eliminates protruding edges. The built-in alignment system ensures easy installation and smooth operation. Hardened and weather resistant Made from high-quality weatherproof steel, this chain lock resists harsh elements. Its rust-resistant durability maintains reliable operation across seasons and provides long-lasting performance for doors in different climates. Easy installation and versatile fit Offers adjustable height with alignment guides for a perfect fit. Sturdy U-bolt clamps and a simple installation design deliver consistent security with minimal effort for chain-connected doors. Specifications and features - Material: weather-resistant steel - Mounting: U-bolt clamps, adjustable height - Fit: compatible with round tube frame gates and doors - Features: integrated lock eye, built-in alignment system - Use: suitable for residential and commercial fencing perimeters - Performance: rust-resistant, durable across varying climates Applications - Home yard gates and perimeter fences - Commercial property gates and industrial fencing - Rural property gates and farm access points