Shipping Container Locks with Combination Lock, Maximum Security Semi Trailer Door Lock, Powder Coated Steel Cargo Door Lock for Connex Box & Trailer, Anti-Theft Rust-Proof Bolt Cutter Resistant

["Universal Fit for Containers & Semi Trucks – Fits vertical cargo door bars spaced 8.5” to 16” apart, compatible with 10ft–53ft sea containers, Conex boxes, and semi trailers. No mounting required – simply slide and lock.","Maximum Security & Anti Theft – Heavy duty hardened steel construction withstands thousands of pounds of force. Rust proof powder coating and anti hammer design resist bolt cutters, breaker bars, and harsh weather.","4 Digit Combination Lock – No Keys Needed – Ideal for multiple users or team access. High density brass shell ensures stable, corrosion resistant performance in outdoor environments. No keys to lose or duplicate.","Easy to Operate, Hard to Beat – Separate the two halves, place on each door’s locking bar, slide together, set your combination, and press to lock. Installs in seconds without tools.","Built for Long Term Durability – Upgraded surface spraying process prevents paint peeling. Each lock undergoes quality assurance checks to guarantee reliability, even in construction sites or coastal conditions."]