Adjustable Span Coupler Lock, 1/4-Inch Pin Diameter, Up to 3-Inch Span, Chrome
- Swivel structure & quarter-turn locking for effortless operation
- Heavy-duty steel build prevents trailer theft effectively
- Segmented pin fits 1"–3" latch-style couplers universally
- Waterproof dust cap safeguards internal parts; anodized aluminum resists rust
- Comes with 2 Keys for backup use
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Product Specifications
| Model No. | Pin Dia | Latch Span | Material | Finish |
| FT-MT-AS001 | 1/4″ | 1″ to 3″ | Carbon Steel | Chrome |
Designed for Versatility and Customization
Product Overview
This right-angle trailer coupler lock delivers convenient operation and reliable anti-theft performance for trailers. Equipped with a rotatable lock head and quarter-turn locking mechanism, it achieves ergonomic unlocking & locking. Constructed from high-strength steel, it provides solid theft protection. Its segmented bolt suits 1″ to 3″ latch-type couplers for wide compatibility. Fitted with a waterproof dust cap and anodized aluminum surface, it keeps internal parts dry and resists corrosion outdoors. Two matching keys are supplied for daily use and backup.
Wide Application
Suitable for all trailers fitted with 1″–3″ latch-type couplers, widely applied to utility trailers, boat trailers, camper trailers, RV trailers, cargo trailers and farm trailers. Effectively prevents trailer theft during parking, storage or unattended placement at campsites, yards, docks and parking lots.
Customization Advantages
Available OEM: Logo engraving, customized package, custom keys & surface treatment
Why Choose FTrade as Your towing & trailer hardware Partner
Leading Export
Capability
With strong experience in trailer security products, FTrade has become a trusted supplier of towing accessories, serving global markets with stable production capacity and reliable delivery.
Manufacturing Excellence & Quality Control
From laser cutting, forging and CNC machining to welding, surface treatment, inspection, and packaging, all key processes are completed in our own facilities to ensure consistent quality.
Flexible OEM & ODM Solutions
With independent R&D capabilities, FTrade supports customized designs, materials, finishes, logos, and packaging based on different market standards in North America, Europe, and Australia.
Reliable Supply & Business Support
Flexible MOQ, mixed orders, professional export services, and dedicated QC management help customers build efficient and long-term supply partnerships.
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Partner with FTrade for reliable trailer accessories, flexible customization, and professional supply support.
Can FTrade provide OEM and ODM services for trailer accessories?
Yes. FTrade supports OEM and ODM projects, including product design, logo customization, surface treatment, packaging, and other requirements. Our R&D team can develop towing components based on different market standards and customer specifications.
What types of trailer accessories can FTrade supply?
FTrade provides a wide range of towing components, including trailer locks and pins, hitch accessories, ball mounts, trailer couplers, trailer balls, adapters, and other trailer hardware solutions to meet different application needs.
What is the MOQ for FTrade trailer products?
We offer flexible MOQ options based on product types and customization requirements. Mixed orders are also available, helping distributors and wholesalers manage inventory more efficiently.
How does FTrade ensure product quality before shipment?
FTrade follows strict quality control procedures throughout production, including raw material inspection, in-process checks, functional testing, and final inspection before packaging and shipment.
Can FTrade customize products for different markets?
Yes. FTrade can customize trailer components according to different market requirements, including specifications, materials, finishes, logos, and packaging solutions for North America, Europe, Australia, and other regions.
What support can FTrade provide for distributors and brands?
FTrade provides complete supply support, including product recommendations, technical communication, customized solutions, quality management, and export service assistance to help partners develop their trailer accessory business.