METOWARE 5th Wheel King Pin Lock for RVs & Semi Trailers — Black, Heavy‑Duty Iron, Quick Tool‑Free Install

METOWARE's 5th Wheel King Pin Lock is a heavy-duty black lock that secures the king pin on RVs and semi trailers to deter theft and tampering.

Whether you're leaving your trailer parked at a campsite, storage lot or staging area, the METOWARE king pin lock provides a compact, tough barrier around the trailer's main coupling pin. Built from high-strength iron with a dual-layer protective coating and an integrated warning tag, this lock is engineered for rugged outdoor use and fast installation so you can secure your rig in seconds.

How quickly can I fit the METOWARE king pin lock?

Installation is designed to be fast and tool-free: slip the device over the king pin, engage the locking mechanism and you're done. Unlocking is equally straightforward with the supplied keys, minimizing time spent at the hitch.

• Installs in seconds without specialized tools
• Comes with two keys to avoid lockouts
• Compact profile won't interfere with regular handling

Will this lock withstand weather and roadside conditions?

The lock's iron construction and dual electrophoretic paint layers deliver strong corrosion resistance and long-term durability against rain, road salt and sun exposure. Its robust build helps maintain function over repeated trips and storage seasons.

• High-strength iron body resists bending and impact
• Double-layer electrophoretic coating reduces rust
• Suitable for outdoor storage and frequent hauling

How effective is the METOWARE lock at stopping tampering or theft?

This king pin lock encloses the coupling pin to block access from drills, saws and cutting tools, slowing or deterring thieves. A precision internal mechanism and heavy-duty housing make forced entry more difficult.

• Encloses the main pin to prevent direct cutting or sawing
• Precision locking mechanism resists picking and tampering
• Bright warning tag warns others and reminds you to remove the lock before hitching

Which trailers and vehicles are compatible with this king pin lock?

The METOWARE unit is sized for wide compatibility across 5th wheel RVs, camping trailers and many semi trailers. Its compact form fits common king pin dimensions while remaining versatile enough for different towing setups.

• Designed for 5th wheel RVs and many semi trailers
• Works for boats on trailers and camping rigs with standard king pins
• Portable and easy to transfer between trailers

Who is this for?

The METOWARE 5th Wheel King Pin Lock is aimed at RV owners, professional haulers and anyone who parks trailers in public or remote locations where theft or tampering is a concern. If you need a quick-to-fit, weather-resistant device that visibly protects your trailer's coupling point and reminds you to remove it before use, this lock is a practical, low-maintenance choice.